Home / 99,979,734.85-149,930,830.41-34,388,400.89

Finding the Fourth Proportional to 99,979,734.85, 149,930,830.41 and 34,388,400.89

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Solution

The fourth proportional to 99,979,734.85, 149,930,830.41 and 34,388,400.89 is: 51,569,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,979,734.85 : 149,930,830.41 = 34,388,400.89 : x
  2. Step 2: Convert to fraction form
    99,979,734.85/149,930,830.41 = 34,388,400.89/x
  3. Step 3: Cross multiply
    99,979,734.85x = 149,930,830.41 × 34,388,400.89
  4. Step 4: Simplify right side
    99,979,734.85x = 5,155,881,502,155,553
  5. Step 5: Solve for x
    x = 5,155,881,502,155,553/99,979,734.85
  6. Step 6: Final answer
    x = 51,569,265.61

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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.