Home / 159,487,293.28-220,092,430.80-86,148,436

Finding the Fourth Proportional to 159,487,293.28, 220,092,430.80 and 86,148,436

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Solution

The fourth proportional to 159,487,293.28, 220,092,430.80 and 86,148,436 is: 118,884,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487,293.28 : 220,092,430.80 = 86,148,436 : x
  2. Step 2: Convert to fraction form
    159,487,293.28/220,092,430.80 = 86,148,436/x
  3. Step 3: Cross multiply
    159,487,293.28x = 220,092,430.80 × 86,148,436
  4. Step 4: Simplify right side
    159,487,293.28x = 18,960,618,688,858,228
  5. Step 5: Solve for x
    x = 18,960,618,688,858,228/159,487,293.28
  6. Step 6: Final answer
    x = 118,884,823.35

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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.