Home / 86,521,280.70-119,399,696.55-47,366,700.42

Finding the Fourth Proportional to 86,521,280.70, 119,399,696.55 and 47,366,700.42

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Solution

The fourth proportional to 86,521,280.70, 119,399,696.55 and 47,366,700.42 is: 65,366,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,521,280.70 : 119,399,696.55 = 47,366,700.42 : x
  2. Step 2: Convert to fraction form
    86,521,280.70/119,399,696.55 = 47,366,700.42/x
  3. Step 3: Cross multiply
    86,521,280.70x = 119,399,696.55 × 47,366,700.42
  4. Step 4: Simplify right side
    86,521,280.70x = 5,655,569,656,722,758
  5. Step 5: Solve for x
    x = 5,655,569,656,722,758/86,521,280.70
  6. Step 6: Final answer
    x = 65,366,226.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.