Home / 71,585,442.75-107,377,478.03-42,418,286.27

Finding the Fourth Proportional to 71,585,442.75, 107,377,478.03 and 42,418,286.27

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Solution

The fourth proportional to 71,585,442.75, 107,377,478.03 and 42,418,286.27 is: 63,627,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585,442.75 : 107,377,478.03 = 42,418,286.27 : x
  2. Step 2: Convert to fraction form
    71,585,442.75/107,377,478.03 = 42,418,286.27/x
  3. Step 3: Cross multiply
    71,585,442.75x = 107,377,478.03 × 42,418,286.27
  4. Step 4: Simplify right side
    71,585,442.75x = 4,554,768,602,364,607
  5. Step 5: Solve for x
    x = 4,554,768,602,364,607/71,585,442.75
  6. Step 6: Final answer
    x = 63,627,022.86

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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.