Home / 136,481,125.80-204,721,688.70-68,314,960.20

Finding the Fourth Proportional to 136,481,125.80, 204,721,688.70 and 68,314,960.20

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Solution

The fourth proportional to 136,481,125.80, 204,721,688.70 and 68,314,960.20 is: 102,472,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,481,125.80 : 204,721,688.70 = 68,314,960.20 : x
  2. Step 2: Convert to fraction form
    136,481,125.80/204,721,688.70 = 68,314,960.20/x
  3. Step 3: Cross multiply
    136,481,125.80x = 204,721,688.70 × 68,314,960.20
  4. Step 4: Simplify right side
    136,481,125.80x = 13,985,554,015,617,290
  5. Step 5: Solve for x
    x = 13,985,554,015,617,290/136,481,125.80
  6. Step 6: Final answer
    x = 102,472,440.30

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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.