Home / 88,678,161.20-122,433,445.10-79,369,611.24

Finding the Fourth Proportional to 88,678,161.20, 122,433,445.10 and 79,369,611.24

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Solution

The fourth proportional to 88,678,161.20, 122,433,445.10 and 79,369,611.24 is: 109,581,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678,161.20 : 122,433,445.10 = 79,369,611.24 : x
  2. Step 2: Convert to fraction form
    88,678,161.20/122,433,445.10 = 79,369,611.24/x
  3. Step 3: Cross multiply
    88,678,161.20x = 122,433,445.10 × 79,369,611.24
  4. Step 4: Simplify right side
    88,678,161.20x = 9,717,494,940,360,882
  5. Step 5: Solve for x
    x = 9,717,494,940,360,882/88,678,161.20
  6. Step 6: Final answer
    x = 109,581,601.70

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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.