Home / 136,481,124.30-204,721,686.45-68,314,958.70

Finding the Fourth Proportional to 136,481,124.30, 204,721,686.45 and 68,314,958.70

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Solution

The fourth proportional to 136,481,124.30, 204,721,686.45 and 68,314,958.70 is: 102,472,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,481,124.30 : 204,721,686.45 = 68,314,958.70 : x
  2. Step 2: Convert to fraction form
    136,481,124.30/204,721,686.45 = 68,314,958.70/x
  3. Step 3: Cross multiply
    136,481,124.30x = 204,721,686.45 × 68,314,958.70
  4. Step 4: Simplify right side
    136,481,124.30x = 13,985,553,554,826,100
  5. Step 5: Solve for x
    x = 13,985,553,554,826,100/136,481,124.30
  6. Step 6: Final answer
    x = 102,472,438.05

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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.