Home / 143,787,622.80-215,681,434.20-109,775,398.80

Finding the Fourth Proportional to 143,787,622.80, 215,681,434.20 and 109,775,398.80

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Solution

The fourth proportional to 143,787,622.80, 215,681,434.20 and 109,775,398.80 is: 164,663,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,787,622.80 : 215,681,434.20 = 109,775,398.80 : x
  2. Step 2: Convert to fraction form
    143,787,622.80/215,681,434.20 = 109,775,398.80/x
  3. Step 3: Cross multiply
    143,787,622.80x = 215,681,434.20 × 109,775,398.80
  4. Step 4: Simplify right side
    143,787,622.80x = 23,676,515,453,060,956
  5. Step 5: Solve for x
    x = 23,676,515,453,060,956/143,787,622.80
  6. Step 6: Final answer
    x = 164,663,098.20

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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.