Home / 87,001,219.00-120,377,840.43-75,860,926.07

Finding the Fourth Proportional to 87,001,219.00, 120,377,840.43 and 75,860,926.07

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Solution

The fourth proportional to 87,001,219.00, 120,377,840.43 and 75,860,926.07 is: 104,963,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001,219.00 : 120,377,840.43 = 75,860,926.07 : x
  2. Step 2: Convert to fraction form
    87,001,219.00/120,377,840.43 = 75,860,926.07/x
  3. Step 3: Cross multiply
    87,001,219.00x = 120,377,840.43 × 75,860,926.07
  4. Step 4: Simplify right side
    87,001,219.00x = 9,131,974,452,921,482
  5. Step 5: Solve for x
    x = 9,131,974,452,921,482/87,001,219.00
  6. Step 6: Final answer
    x = 104,963,752.90

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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.