Home / 136,438,634.40-204,657,951.60-75,004,054.80

Finding the Fourth Proportional to 136,438,634.40, 204,657,951.60 and 75,004,054.80

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Solution

The fourth proportional to 136,438,634.40, 204,657,951.60 and 75,004,054.80 is: 112,506,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,438,634.40 : 204,657,951.60 = 75,004,054.80 : x
  2. Step 2: Convert to fraction form
    136,438,634.40/204,657,951.60 = 75,004,054.80/x
  3. Step 3: Cross multiply
    136,438,634.40x = 204,657,951.60 × 75,004,054.80
  4. Step 4: Simplify right side
    136,438,634.40x = 15,350,176,217,062,146
  5. Step 5: Solve for x
    x = 15,350,176,217,062,146/136,438,634.40
  6. Step 6: Final answer
    x = 112,506,082.20

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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.