Home / 146,941,539.52-202,781,190-80,869,645.12

Finding the Fourth Proportional to 146,941,539.52, 202,781,190 and 80,869,645.12

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Solution

The fourth proportional to 146,941,539.52, 202,781,190 and 80,869,645.12 is: 111,601,136.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,941,539.52 : 202,781,190 = 80,869,645.12 : x
  2. Step 2: Convert to fraction form
    146,941,539.52/202,781,190 = 80,869,645.12/x
  3. Step 3: Cross multiply
    146,941,539.52x = 202,781,190 × 80,869,645.12
  4. Step 4: Simplify right side
    146,941,539.52x = 16,398,842,872,311,294
  5. Step 5: Solve for x
    x = 16,398,842,872,311,294/146,941,539.52
  6. Step 6: Final answer
    x = 111,601,136.93

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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.