Home / 159,487,294.78-220,092,432.87-86,148,437.50

Finding the Fourth Proportional to 159,487,294.78, 220,092,432.87 and 86,148,437.50

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Solution

The fourth proportional to 159,487,294.78, 220,092,432.87 and 86,148,437.50 is: 118,884,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,487,294.78 : 220,092,432.87 = 86,148,437.50 : x
  2. Step 2: Convert to fraction form
    159,487,294.78/220,092,432.87 = 86,148,437.50/x
  3. Step 3: Cross multiply
    159,487,294.78x = 220,092,432.87 × 86,148,437.50
  4. Step 4: Simplify right side
    159,487,294.78x = 18,960,619,197,324,140
  5. Step 5: Solve for x
    x = 18,960,619,197,324,140/159,487,294.78
  6. Step 6: Final answer
    x = 118,884,825.42

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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.