Home / 86,454,649.42-129,474,176.92-49,454,361.74

Finding the Fourth Proportional to 86,454,649.42, 129,474,176.92 and 49,454,361.74

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Solution

The fourth proportional to 86,454,649.42, 129,474,176.92 and 49,454,361.74 is: 74,062,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454,649.42 : 129,474,176.92 = 49,454,361.74 : x
  2. Step 2: Convert to fraction form
    86,454,649.42/129,474,176.92 = 49,454,361.74/x
  3. Step 3: Cross multiply
    86,454,649.42x = 129,474,176.92 × 49,454,361.74
  4. Step 4: Simplify right side
    86,454,649.42x = 6,403,062,781,390,439
  5. Step 5: Solve for x
    x = 6,403,062,781,390,439/86,454,649.42
  6. Step 6: Final answer
    x = 74,062,677.07

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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.