Home / 115,565,083.85-159,481,870.56-62,643,524.78

Finding the Fourth Proportional to 115,565,083.85, 159,481,870.56 and 62,643,524.78

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Solution

The fourth proportional to 115,565,083.85, 159,481,870.56 and 62,643,524.78 is: 86,449,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,565,083.85 : 159,481,870.56 = 62,643,524.78 : x
  2. Step 2: Convert to fraction form
    115,565,083.85/159,481,870.56 = 62,643,524.78/x
  3. Step 3: Cross multiply
    115,565,083.85x = 159,481,870.56 × 62,643,524.78
  4. Step 4: Simplify right side
    115,565,083.85x = 9,990,506,510,784,818
  5. Step 5: Solve for x
    x = 9,990,506,510,784,818/115,565,083.85
  6. Step 6: Final answer
    x = 86,449,178.05

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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.