Home / 136,421,716.40-204,634,324.20-45,545,305.40

Finding the Fourth Proportional to 136,421,716.40, 204,634,324.20 and 45,545,305.40

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Solution

The fourth proportional to 136,421,716.40, 204,634,324.20 and 45,545,305.40 is: 68,318,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,421,716.40 : 204,634,324.20 = 45,545,305.40 : x
  2. Step 2: Convert to fraction form
    136,421,716.40/204,634,324.20 = 45,545,305.40/x
  3. Step 3: Cross multiply
    136,421,716.40x = 204,634,324.20 × 45,545,305.40
  4. Step 4: Simplify right side
    136,421,716.40x = 9,320,132,791,011,610
  5. Step 5: Solve for x
    x = 9,320,132,791,011,610/136,421,716.40
  6. Step 6: Final answer
    x = 68,318,542.22

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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.