Home / 66,312,976.12-99,003,202.45-50,668,930.78

Finding the Fourth Proportional to 66,312,976.12, 99,003,202.45 and 50,668,930.78

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Solution

The fourth proportional to 66,312,976.12, 99,003,202.45 and 50,668,930.78 is: 75,647,131.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312,976.12 : 99,003,202.45 = 50,668,930.78 : x
  2. Step 2: Convert to fraction form
    66,312,976.12/99,003,202.45 = 50,668,930.78/x
  3. Step 3: Cross multiply
    66,312,976.12x = 99,003,202.45 × 50,668,930.78
  4. Step 4: Simplify right side
    66,312,976.12x = 5,016,386,411,937,377
  5. Step 5: Solve for x
    x = 5,016,386,411,937,377/66,312,976.12
  6. Step 6: Final answer
    x = 75,647,131.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.