Home / 91,563,565.20-137,504,780.10-48,516,844.20

Finding the Fourth Proportional to 91,563,565.20, 137,504,780.10 and 48,516,844.20

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Solution

The fourth proportional to 91,563,565.20, 137,504,780.10 and 48,516,844.20 is: 72,859,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,563,565.20 : 137,504,780.10 = 48,516,844.20 : x
  2. Step 2: Convert to fraction form
    91,563,565.20/137,504,780.10 = 48,516,844.20/x
  3. Step 3: Cross multiply
    91,563,565.20x = 137,504,780.10 × 48,516,844.20
  4. Step 4: Simplify right side
    91,563,565.20x = 6,671,297,992,866,961
  5. Step 5: Solve for x
    x = 6,671,297,992,866,961/91,563,565.20
  6. Step 6: Final answer
    x = 72,859,744.79

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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.