Home / 87,000,093.86-120,030,748.02-49,319,218.04

Finding the Fourth Proportional to 87,000,093.86, 120,030,748.02 and 49,319,218.04

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Solution

The fourth proportional to 87,000,093.86, 120,030,748.02 and 49,319,218.04 is: 68,043,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000,093.86 : 120,030,748.02 = 49,319,218.04 : x
  2. Step 2: Convert to fraction form
    87,000,093.86/120,030,748.02 = 49,319,218.04/x
  3. Step 3: Cross multiply
    87,000,093.86x = 120,030,748.02 × 49,319,218.04
  4. Step 4: Simplify right side
    87,000,093.86x = 5,919,822,632,502,524
  5. Step 5: Solve for x
    x = 5,919,822,632,502,524/87,000,093.86
  6. Step 6: Final answer
    x = 68,043,864.90

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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.