Home / 103,324,429.82-142,587,720.84-56,914,683.74

Finding the Fourth Proportional to 103,324,429.82, 142,587,720.84 and 56,914,683.74

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Solution

The fourth proportional to 103,324,429.82, 142,587,720.84 and 56,914,683.74 is: 78,542,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,324,429.82 : 142,587,720.84 = 56,914,683.74 : x
  2. Step 2: Convert to fraction form
    103,324,429.82/142,587,720.84 = 56,914,683.74/x
  3. Step 3: Cross multiply
    103,324,429.82x = 142,587,720.84 × 56,914,683.74
  4. Step 4: Simplify right side
    103,324,429.82x = 8,115,335,036,851,203
  5. Step 5: Solve for x
    x = 8,115,335,036,851,203/103,324,429.82
  6. Step 6: Final answer
    x = 78,542,267.80

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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.