Home / 84,744,002.70-127,116,004.05-65,612,126.70

Finding the Fourth Proportional to 84,744,002.70, 127,116,004.05 and 65,612,126.70

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Solution

The fourth proportional to 84,744,002.70, 127,116,004.05 and 65,612,126.70 is: 98,418,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744,002.70 : 127,116,004.05 = 65,612,126.70 : x
  2. Step 2: Convert to fraction form
    84,744,002.70/127,116,004.05 = 65,612,126.70/x
  3. Step 3: Cross multiply
    84,744,002.70x = 127,116,004.05 × 65,612,126.70
  4. Step 4: Simplify right side
    84,744,002.70x = 8,340,351,363,326,313
  5. Step 5: Solve for x
    x = 8,340,351,363,326,313/84,744,002.70
  6. Step 6: Final answer
    x = 98,418,190.05

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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.