Home / 65,664,458.10-98,496,687.15-38,454,678.90

Finding the Fourth Proportional to 65,664,458.10, 98,496,687.15 and 38,454,678.90

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Solution

The fourth proportional to 65,664,458.10, 98,496,687.15 and 38,454,678.90 is: 57,682,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,458.10 : 98,496,687.15 = 38,454,678.90 : x
  2. Step 2: Convert to fraction form
    65,664,458.10/98,496,687.15 = 38,454,678.90/x
  3. Step 3: Cross multiply
    65,664,458.10x = 98,496,687.15 × 38,454,678.90
  4. Step 4: Simplify right side
    65,664,458.10x = 3,787,658,477,067,006
  5. Step 5: Solve for x
    x = 3,787,658,477,067,006/65,664,458.10
  6. Step 6: Final answer
    x = 57,682,018.35

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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.