Home / 162,747,636-224,591,828.40-89,413,501.92

Finding the Fourth Proportional to 162,747,636, 224,591,828.40 and 89,413,501.92

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Solution

The fourth proportional to 162,747,636, 224,591,828.40 and 89,413,501.92 is: 123,390,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,747,636 : 224,591,828.40 = 89,413,501.92 : x
  2. Step 2: Convert to fraction form
    162,747,636/224,591,828.40 = 89,413,501.92/x
  3. Step 3: Cross multiply
    162,747,636x = 224,591,828.40 × 89,413,501.92
  4. Step 4: Simplify right side
    162,747,636x = 20,081,541,879,859,712
  5. Step 5: Solve for x
    x = 20,081,541,879,859,712/162,747,636
  6. Step 6: Final answer
    x = 123,390,682.49

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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.