Home / 84,489,403,861.90-126,734,105,792.85-70,852,202,649.10

Finding the Fourth Proportional to 84,489,403,861.90, 126,734,105,792.85 and 70,852,202,649.10

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Solution

The fourth proportional to 84,489,403,861.90, 126,734,105,792.85 and 70,852,202,649.10 is: 106,278,303,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489,403,861.90 : 126,734,105,792.85 = 70,852,202,649.10 : x
  2. Step 2: Convert to fraction form
    84,489,403,861.90/126,734,105,792.85 = 70,852,202,649.10/x
  3. Step 3: Cross multiply
    84,489,403,861.90x = 126,734,105,792.85 × 70,852,202,649.10
  4. Step 4: Simplify right side
    84,489,403,861.90x = 8,979,390,546,187,487,543,296
  5. Step 5: Solve for x
    x = 8,979,390,546,187,487,543,296/84,489,403,861.90
  6. Step 6: Final answer
    x = 106,278,303,973.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.