Home / 148,359,391.30-204,708,889.01-85,612,598.33

Finding the Fourth Proportional to 148,359,391.30, 204,708,889.01 and 85,612,598.33

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Solution

The fourth proportional to 148,359,391.30, 204,708,889.01 and 85,612,598.33 is: 118,129,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359,391.30 : 204,708,889.01 = 85,612,598.33 : x
  2. Step 2: Convert to fraction form
    148,359,391.30/204,708,889.01 = 85,612,598.33/x
  3. Step 3: Cross multiply
    148,359,391.30x = 204,708,889.01 × 85,612,598.33
  4. Step 4: Simplify right side
    148,359,391.30x = 17,525,659,889,393,680
  5. Step 5: Solve for x
    x = 17,525,659,889,393,680/148,359,391.30
  6. Step 6: Final answer
    x = 118,129,764.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.