Home / 143,856,116.10-215,536,168.35-67,021,557.30

Finding the Fourth Proportional to 143,856,116.10, 215,536,168.35 and 67,021,557.30

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Solution

The fourth proportional to 143,856,116.10, 215,536,168.35 and 67,021,557.30 is: 100,416,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,116.10 : 215,536,168.35 = 67,021,557.30 : x
  2. Step 2: Convert to fraction form
    143,856,116.10/215,536,168.35 = 67,021,557.30/x
  3. Step 3: Cross multiply
    143,856,116.10x = 215,536,168.35 × 67,021,557.30
  4. Step 4: Simplify right side
    143,856,116.10x = 14,445,569,657,291,970
  5. Step 5: Solve for x
    x = 14,445,569,657,291,970/143,856,116.10
  6. Step 6: Final answer
    x = 100,416,791.78

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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.