Home / 136,000,160.28-203,980,309.90-66,894,414.39

Finding the Fourth Proportional to 136,000,160.28, 203,980,309.90 and 66,894,414.39

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Solution

The fourth proportional to 136,000,160.28, 203,980,309.90 and 66,894,414.39 is: 100,331,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,000,160.28 : 203,980,309.90 = 66,894,414.39 : x
  2. Step 2: Convert to fraction form
    136,000,160.28/203,980,309.90 = 66,894,414.39/x
  3. Step 3: Cross multiply
    136,000,160.28x = 203,980,309.90 × 66,894,414.39
  4. Step 4: Simplify right side
    136,000,160.28x = 13,645,143,377,683,984
  5. Step 5: Solve for x
    x = 13,645,143,377,683,984/136,000,160.28
  6. Step 6: Final answer
    x = 100,331,818.36

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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.