Home / 84,891,018.20-127,336,527.30-27,385,165.40

Finding the Fourth Proportional to 84,891,018.20, 127,336,527.30 and 27,385,165.40

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Solution

The fourth proportional to 84,891,018.20, 127,336,527.30 and 27,385,165.40 is: 41,077,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891,018.20 : 127,336,527.30 = 27,385,165.40 : x
  2. Step 2: Convert to fraction form
    84,891,018.20/127,336,527.30 = 27,385,165.40/x
  3. Step 3: Cross multiply
    84,891,018.20x = 127,336,527.30 × 27,385,165.40
  4. Step 4: Simplify right side
    84,891,018.20x = 3,487,131,861,572,115
  5. Step 5: Solve for x
    x = 3,487,131,861,572,115/84,891,018.20
  6. Step 6: Final answer
    x = 41,077,748.10

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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.