Home / 69,577,974.20-104,366,961.30-65,609,881.40

Finding the Fourth Proportional to 69,577,974.20, 104,366,961.30 and 65,609,881.40

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Solution

The fourth proportional to 69,577,974.20, 104,366,961.30 and 65,609,881.40 is: 98,414,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,577,974.20 : 104,366,961.30 = 65,609,881.40 : x
  2. Step 2: Convert to fraction form
    69,577,974.20/104,366,961.30 = 65,609,881.40/x
  3. Step 3: Cross multiply
    69,577,974.20x = 104,366,961.30 × 65,609,881.40
  4. Step 4: Simplify right side
    69,577,974.20x = 6,847,503,952,971,389
  5. Step 5: Solve for x
    x = 6,847,503,952,971,389/69,577,974.20
  6. Step 6: Final answer
    x = 98,414,822.10

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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.