Home / 136,438,637.40-204,657,956.10-75,004,057.80

Finding the Fourth Proportional to 136,438,637.40, 204,657,956.10 and 75,004,057.80

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Solution

The fourth proportional to 136,438,637.40, 204,657,956.10 and 75,004,057.80 is: 112,506,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,438,637.40 : 204,657,956.10 = 75,004,057.80 : x
  2. Step 2: Convert to fraction form
    136,438,637.40/204,657,956.10 = 75,004,057.80/x
  3. Step 3: Cross multiply
    136,438,637.40x = 204,657,956.10 × 75,004,057.80
  4. Step 4: Simplify right side
    136,438,637.40x = 15,350,177,168,554,262
  5. Step 5: Solve for x
    x = 15,350,177,168,554,262/136,438,637.40
  6. Step 6: Final answer
    x = 112,506,086.70

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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.