Home / 99,673,721.10-149,510,581.65-74,164,553.10

Finding the Fourth Proportional to 99,673,721.10, 149,510,581.65 and 74,164,553.10

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Solution

The fourth proportional to 99,673,721.10, 149,510,581.65 and 74,164,553.10 is: 111,246,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,673,721.10 : 149,510,581.65 = 74,164,553.10 : x
  2. Step 2: Convert to fraction form
    99,673,721.10/149,510,581.65 = 74,164,553.10/x
  3. Step 3: Cross multiply
    99,673,721.10x = 149,510,581.65 × 74,164,553.10
  4. Step 4: Simplify right side
    99,673,721.10x = 11,088,385,471,793,310
  5. Step 5: Solve for x
    x = 11,088,385,471,793,310/99,673,721.10
  6. Step 6: Final answer
    x = 111,246,829.65

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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.