Home / 85,178,145.30-127,767,217.95-36,679,233.30

Finding the Fourth Proportional to 85,178,145.30, 127,767,217.95 and 36,679,233.30

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Solution

The fourth proportional to 85,178,145.30, 127,767,217.95 and 36,679,233.30 is: 55,018,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178,145.30 : 127,767,217.95 = 36,679,233.30 : x
  2. Step 2: Convert to fraction form
    85,178,145.30/127,767,217.95 = 36,679,233.30/x
  3. Step 3: Cross multiply
    85,178,145.30x = 127,767,217.95 × 36,679,233.30
  4. Step 4: Simplify right side
    85,178,145.30x = 4,686,403,595,279,997
  5. Step 5: Solve for x
    x = 4,686,403,595,279,997/85,178,145.30
  6. Step 6: Final answer
    x = 55,018,849.95

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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.