Home / 162,747,637-224,591,829.78-89,413,502.92

Finding the Fourth Proportional to 162,747,637, 224,591,829.78 and 89,413,502.92

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Solution

The fourth proportional to 162,747,637, 224,591,829.78 and 89,413,502.92 is: 123,390,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,747,637 : 224,591,829.78 = 89,413,502.92 : x
  2. Step 2: Convert to fraction form
    162,747,637/224,591,829.78 = 89,413,502.92/x
  3. Step 3: Cross multiply
    162,747,637x = 224,591,829.78 × 89,413,502.92
  4. Step 4: Simplify right side
    162,747,637x = 20,081,542,227,842,172
  5. Step 5: Solve for x
    x = 20,081,542,227,842,172/162,747,637
  6. Step 6: Final answer
    x = 123,390,683.87

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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.