Home / 99,643,691.70-149,465,537.55-45,895,979.70

Finding the Fourth Proportional to 99,643,691.70, 149,465,537.55 and 45,895,979.70

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Solution

The fourth proportional to 99,643,691.70, 149,465,537.55 and 45,895,979.70 is: 68,843,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,643,691.70 : 149,465,537.55 = 45,895,979.70 : x
  2. Step 2: Convert to fraction form
    99,643,691.70/149,465,537.55 = 45,895,979.70/x
  3. Step 3: Cross multiply
    99,643,691.70x = 149,465,537.55 × 45,895,979.70
  4. Step 4: Simplify right side
    99,643,691.70x = 6,859,867,277,244,389
  5. Step 5: Solve for x
    x = 6,859,867,277,244,389/99,643,691.70
  6. Step 6: Final answer
    x = 68,843,969.55

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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.