Home / 81,792,057.60-122,688,086.40-24,293,203.20

Finding the Fourth Proportional to 81,792,057.60, 122,688,086.40 and 24,293,203.20

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Solution

The fourth proportional to 81,792,057.60, 122,688,086.40 and 24,293,203.20 is: 36,439,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,792,057.60 : 122,688,086.40 = 24,293,203.20 : x
  2. Step 2: Convert to fraction form
    81,792,057.60/122,688,086.40 = 24,293,203.20/x
  3. Step 3: Cross multiply
    81,792,057.60x = 122,688,086.40 × 24,293,203.20
  4. Step 4: Simplify right side
    81,792,057.60x = 2,980,486,613,134,356.50
  5. Step 5: Solve for x
    x = 2,980,486,613,134,356.50/81,792,057.60
  6. Step 6: Final answer
    x = 36,439,804.80

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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.