Home / 65,263,115.30-97,894,672.95-19,819,004.90

Finding the Fourth Proportional to 65,263,115.30, 97,894,672.95 and 19,819,004.90

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Solution

The fourth proportional to 65,263,115.30, 97,894,672.95 and 19,819,004.90 is: 29,728,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,263,115.30 : 97,894,672.95 = 19,819,004.90 : x
  2. Step 2: Convert to fraction form
    65,263,115.30/97,894,672.95 = 19,819,004.90/x
  3. Step 3: Cross multiply
    65,263,115.30x = 97,894,672.95 × 19,819,004.90
  4. Step 4: Simplify right side
    65,263,115.30x = 1,940,175,002,879,947.25
  5. Step 5: Solve for x
    x = 1,940,175,002,879,947.25/65,263,115.30
  6. Step 6: Final answer
    x = 29,728,507.35

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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.