Home / 123,822,070.40-185,520,529.20-80,669,061.20

Finding the Fourth Proportional to 123,822,070.40, 185,520,529.20 and 80,669,061.20

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Solution

The fourth proportional to 123,822,070.40, 185,520,529.20 and 80,669,061.20 is: 120,865,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,822,070.40 : 185,520,529.20 = 80,669,061.20 : x
  2. Step 2: Convert to fraction form
    123,822,070.40/185,520,529.20 = 80,669,061.20/x
  3. Step 3: Cross multiply
    123,822,070.40x = 185,520,529.20 × 80,669,061.20
  4. Step 4: Simplify right side
    123,822,070.40x = 14,965,766,923,891,186
  5. Step 5: Solve for x
    x = 14,965,766,923,891,186/123,822,070.40
  6. Step 6: Final answer
    x = 120,865,100.02

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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.