Home / 136,422,347.40-204,635,270.70-45,545,936.40

Finding the Fourth Proportional to 136,422,347.40, 204,635,270.70 and 45,545,936.40

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Solution

The fourth proportional to 136,422,347.40, 204,635,270.70 and 45,545,936.40 is: 68,319,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,422,347.40 : 204,635,270.70 = 45,545,936.40 : x
  2. Step 2: Convert to fraction form
    136,422,347.40/204,635,270.70 = 45,545,936.40/x
  3. Step 3: Cross multiply
    136,422,347.40x = 204,635,270.70 × 45,545,936.40
  4. Step 4: Simplify right side
    136,422,347.40x = 9,320,305,024,498,982
  5. Step 5: Solve for x
    x = 9,320,305,024,498,982/136,422,347.40
  6. Step 6: Final answer
    x = 68,319,488.72

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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.