Home / 165,144,512.40-247,711,158.25-42,324,035.82

Finding the Fourth Proportional to 165,144,512.40, 247,711,158.25 and 42,324,035.82

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Solution

The fourth proportional to 165,144,512.40, 247,711,158.25 and 42,324,035.82 is: 63,484,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,144,512.40 : 247,711,158.25 = 42,324,035.82 : x
  2. Step 2: Convert to fraction form
    165,144,512.40/247,711,158.25 = 42,324,035.82/x
  3. Step 3: Cross multiply
    165,144,512.40x = 247,711,158.25 × 42,324,035.82
  4. Step 4: Simplify right side
    165,144,512.40x = 10,484,135,934,786,688
  5. Step 5: Solve for x
    x = 10,484,135,934,786,688/165,144,512.40
  6. Step 6: Final answer
    x = 63,484,615.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.