Home / 65,263,080.30-97,894,620.45-19,818,969.90

Finding the Fourth Proportional to 65,263,080.30, 97,894,620.45 and 19,818,969.90

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Solution

The fourth proportional to 65,263,080.30, 97,894,620.45 and 19,818,969.90 is: 29,728,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,263,080.30 : 97,894,620.45 = 19,818,969.90 : x
  2. Step 2: Convert to fraction form
    65,263,080.30/97,894,620.45 = 19,818,969.90/x
  3. Step 3: Cross multiply
    65,263,080.30x = 97,894,620.45 × 19,818,969.90
  4. Step 4: Simplify right side
    65,263,080.30x = 1,940,170,536,070,474.25
  5. Step 5: Solve for x
    x = 1,940,170,536,070,474.25/65,263,080.30
  6. Step 6: Final answer
    x = 29,728,454.85

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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.