Home / 110,591,999.80-165,887,999.70-68,065,689.40

Finding the Fourth Proportional to 110,591,999.80, 165,887,999.70 and 68,065,689.40

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Solution

The fourth proportional to 110,591,999.80, 165,887,999.70 and 68,065,689.40 is: 102,098,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,591,999.80 : 165,887,999.70 = 68,065,689.40 : x
  2. Step 2: Convert to fraction form
    110,591,999.80/165,887,999.70 = 68,065,689.40/x
  3. Step 3: Cross multiply
    110,591,999.80x = 165,887,999.70 × 68,065,689.40
  4. Step 4: Simplify right side
    110,591,999.80x = 11,291,281,062,767,494
  5. Step 5: Solve for x
    x = 11,291,281,062,767,494/110,591,999.80
  6. Step 6: Final answer
    x = 102,098,534.10

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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.