Home / 66,391,356.30-99,587,034.45-55,053,948.30

Finding the Fourth Proportional to 66,391,356.30, 99,587,034.45 and 55,053,948.30

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Solution

The fourth proportional to 66,391,356.30, 99,587,034.45 and 55,053,948.30 is: 82,580,922.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,391,356.30 : 99,587,034.45 = 55,053,948.30 : x
  2. Step 2: Convert to fraction form
    66,391,356.30/99,587,034.45 = 55,053,948.30/x
  3. Step 3: Cross multiply
    66,391,356.30x = 99,587,034.45 × 55,053,948.30
  4. Step 4: Simplify right side
    66,391,356.30x = 5,482,659,445,960,619
  5. Step 5: Solve for x
    x = 5,482,659,445,960,619/66,391,356.30
  6. Step 6: Final answer
    x = 82,580,922.45

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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.