Home / 84,265,406.79-126,398,110.20-23,681,132.79

Finding the Fourth Proportional to 84,265,406.79, 126,398,110.20 and 23,681,132.79

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Solution

The fourth proportional to 84,265,406.79, 126,398,110.20 and 23,681,132.79 is: 35,521,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,265,406.79 : 126,398,110.20 = 23,681,132.79 : x
  2. Step 2: Convert to fraction form
    84,265,406.79/126,398,110.20 = 23,681,132.79/x
  3. Step 3: Cross multiply
    84,265,406.79x = 126,398,110.20 × 23,681,132.79
  4. Step 4: Simplify right side
    84,265,406.79x = 2,993,250,432,051,253.50
  5. Step 5: Solve for x
    x = 2,993,250,432,051,253.50/84,265,406.79
  6. Step 6: Final answer
    x = 35,521,699.19

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Half scale
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Double scale
Find fourth proportional to 84,265,407.79, 126,398,111.70 and 23,681,133.79
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.