Home / 132,868,123.10-199,152,885.45-68,146,919.90

Finding the Fourth Proportional to 132,868,123.10, 199,152,885.45 and 68,146,919.90

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Solution

The fourth proportional to 132,868,123.10, 199,152,885.45 and 68,146,919.90 is: 102,143,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,868,123.10 : 199,152,885.45 = 68,146,919.90 : x
  2. Step 2: Convert to fraction form
    132,868,123.10/199,152,885.45 = 68,146,919.90/x
  3. Step 3: Cross multiply
    132,868,123.10x = 199,152,885.45 × 68,146,919.90
  4. Step 4: Simplify right side
    132,868,123.10x = 13,571,655,732,615,026
  5. Step 5: Solve for x
    x = 13,571,655,732,615,026/132,868,123.10
  6. Step 6: Final answer
    x = 102,143,805.57

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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.