Home / 99,668,516.55-149,502,774.83-61,205,310.15

Finding the Fourth Proportional to 99,668,516.55, 149,502,774.83 and 61,205,310.15

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Solution

The fourth proportional to 99,668,516.55, 149,502,774.83 and 61,205,310.15 is: 91,807,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,516.55 : 149,502,774.83 = 61,205,310.15 : x
  2. Step 2: Convert to fraction form
    99,668,516.55/149,502,774.83 = 61,205,310.15/x
  3. Step 3: Cross multiply
    99,668,516.55x = 149,502,774.83 × 61,205,310.15
  4. Step 4: Simplify right side
    99,668,516.55x = 9,150,363,701,449,736
  5. Step 5: Solve for x
    x = 9,150,363,701,449,736/99,668,516.55
  6. Step 6: Final answer
    x = 91,807,965.23

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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.