Home / 82,243,521.17-123,364,330.67-19,995,188.10

Finding the Fourth Proportional to 82,243,521.17, 123,364,330.67 and 19,995,188.10

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Solution

The fourth proportional to 82,243,521.17, 123,364,330.67 and 19,995,188.10 is: 29,992,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,243,521.17 : 123,364,330.67 = 19,995,188.10 : x
  2. Step 2: Convert to fraction form
    82,243,521.17/123,364,330.67 = 19,995,188.10/x
  3. Step 3: Cross multiply
    82,243,521.17x = 123,364,330.67 × 19,995,188.10
  4. Step 4: Simplify right side
    82,243,521.17x = 2,466,692,996,577,249
  5. Step 5: Solve for x
    x = 2,466,692,996,577,249/82,243,521.17
  6. Step 6: Final answer
    x = 29,992,550.92

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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.