Home / 99,164,513.20-148,746,769.80-89,120,278.30

Finding the Fourth Proportional to 99,164,513.20, 148,746,769.80 and 89,120,278.30

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Solution

The fourth proportional to 99,164,513.20, 148,746,769.80 and 89,120,278.30 is: 133,680,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,164,513.20 : 148,746,769.80 = 89,120,278.30 : x
  2. Step 2: Convert to fraction form
    99,164,513.20/148,746,769.80 = 89,120,278.30/x
  3. Step 3: Cross multiply
    99,164,513.20x = 148,746,769.80 × 89,120,278.30
  4. Step 4: Simplify right side
    99,164,513.20x = 13,256,353,520,802,036
  5. Step 5: Solve for x
    x = 13,256,353,520,802,036/99,164,513.20
  6. Step 6: Final answer
    x = 133,680,417.45

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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.