Home / 71,883,779.16-107,715,948.57-42,680,110.17

Finding the Fourth Proportional to 71,883,779.16, 107,715,948.57 and 42,680,110.17

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Solution

The fourth proportional to 71,883,779.16, 107,715,948.57 and 42,680,110.17 is: 63,955,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883,779.16 : 107,715,948.57 = 42,680,110.17 : x
  2. Step 2: Convert to fraction form
    71,883,779.16/107,715,948.57 = 42,680,110.17/x
  3. Step 3: Cross multiply
    71,883,779.16x = 107,715,948.57 × 42,680,110.17
  4. Step 4: Simplify right side
    71,883,779.16x = 4,597,328,552,033,654
  5. Step 5: Solve for x
    x = 4,597,328,552,033,654/71,883,779.16
  6. Step 6: Final answer
    x = 63,955,020.25

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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.