Home / 136,439,501.40-204,659,252.10-75,004,921.80

Finding the Fourth Proportional to 136,439,501.40, 204,659,252.10 and 75,004,921.80

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Solution

The fourth proportional to 136,439,501.40, 204,659,252.10 and 75,004,921.80 is: 112,507,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,439,501.40 : 204,659,252.10 = 75,004,921.80 : x
  2. Step 2: Convert to fraction form
    136,439,501.40/204,659,252.10 = 75,004,921.80/x
  3. Step 3: Cross multiply
    136,439,501.40x = 204,659,252.10 × 75,004,921.80
  4. Step 4: Simplify right side
    136,439,501.40x = 15,350,451,199,406,984
  5. Step 5: Solve for x
    x = 15,350,451,199,406,984/136,439,501.40
  6. Step 6: Final answer
    x = 112,507,382.70

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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.