Home / 75,521,607.40-113,310,404.70-72,722,247.40

Finding the Fourth Proportional to 75,521,607.40, 113,310,404.70 and 72,722,247.40

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Solution

The fourth proportional to 75,521,607.40, 113,310,404.70 and 72,722,247.40 is: 109,110,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521,607.40 : 113,310,404.70 = 72,722,247.40 : x
  2. Step 2: Convert to fraction form
    75,521,607.40/113,310,404.70 = 72,722,247.40/x
  3. Step 3: Cross multiply
    75,521,607.40x = 113,310,404.70 × 72,722,247.40
  4. Step 4: Simplify right side
    75,521,607.40x = 8,240,187,283,587,524
  5. Step 5: Solve for x
    x = 8,240,187,283,587,524/75,521,607.40
  6. Step 6: Final answer
    x = 109,110,327.06

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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.