Home / 84,744,907.20-127,117,360.80-65,613,031.20

Finding the Fourth Proportional to 84,744,907.20, 127,117,360.80 and 65,613,031.20

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Solution

The fourth proportional to 84,744,907.20, 127,117,360.80 and 65,613,031.20 is: 98,419,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744,907.20 : 127,117,360.80 = 65,613,031.20 : x
  2. Step 2: Convert to fraction form
    84,744,907.20/127,117,360.80 = 65,613,031.20/x
  3. Step 3: Cross multiply
    84,744,907.20x = 127,117,360.80 × 65,613,031.20
  4. Step 4: Simplify right side
    84,744,907.20x = 8,340,555,360,232,057
  5. Step 5: Solve for x
    x = 8,340,555,360,232,057/84,744,907.20
  6. Step 6: Final answer
    x = 98,419,546.80

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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.