Home / 87,778,600,949.40-121,134,377,125.98-47,680,611,699.48

Finding the Fourth Proportional to 87,778,600,949.40, 121,134,377,125.98 and 47,680,611,699.48

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Solution

The fourth proportional to 87,778,600,949.40, 121,134,377,125.98 and 47,680,611,699.48 is: 65,799,194,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,778,600,949.40 : 121,134,377,125.98 = 47,680,611,699.48 : x
  2. Step 2: Convert to fraction form
    87,778,600,949.40/121,134,377,125.98 = 47,680,611,699.48/x
  3. Step 3: Cross multiply
    87,778,600,949.40x = 121,134,377,125.98 × 47,680,611,699.48
  4. Step 4: Simplify right side
    87,778,600,949.40x = 5,775,761,199,202,224,308,224
  5. Step 5: Solve for x
    x = 5,775,761,199,202,224,308,224/87,778,600,949.40
  6. Step 6: Final answer
    x = 65,799,194,071.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.