Home / 86,454,658.29-129,474,190.23-49,454,370.62

Finding the Fourth Proportional to 86,454,658.29, 129,474,190.23 and 49,454,370.62

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Solution

The fourth proportional to 86,454,658.29, 129,474,190.23 and 49,454,370.62 is: 74,062,690.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454,658.29 : 129,474,190.23 = 49,454,370.62 : x
  2. Step 2: Convert to fraction form
    86,454,658.29/129,474,190.23 = 49,454,370.62/x
  3. Step 3: Cross multiply
    86,454,658.29x = 129,474,190.23 × 49,454,370.62
  4. Step 4: Simplify right side
    86,454,658.29x = 6,403,064,588,711,433
  5. Step 5: Solve for x
    x = 6,403,064,588,711,433/86,454,658.29
  6. Step 6: Final answer
    x = 74,062,690.38

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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.