Home / 85,545,129.17-128,266,449.62-27,227,616.89

Finding the Fourth Proportional to 85,545,129.17, 128,266,449.62 and 27,227,616.89

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Solution

The fourth proportional to 85,545,129.17, 128,266,449.62 and 27,227,616.89 is: 40,825,115.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,545,129.17 : 128,266,449.62 = 27,227,616.89 : x
  2. Step 2: Convert to fraction form
    85,545,129.17/128,266,449.62 = 27,227,616.89/x
  3. Step 3: Cross multiply
    85,545,129.17x = 128,266,449.62 × 27,227,616.89
  4. Step 4: Simplify right side
    85,545,129.17x = 3,492,389,749,316,376
  5. Step 5: Solve for x
    x = 3,492,389,749,316,376/85,545,129.17
  6. Step 6: Final answer
    x = 40,825,115.15

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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.