Home / 42,125,427.20-63,188,140.80-35,322,982.40

Finding the Fourth Proportional to 42,125,427.20, 63,188,140.80 and 35,322,982.40

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Solution

The fourth proportional to 42,125,427.20, 63,188,140.80 and 35,322,982.40 is: 52,984,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125,427.20 : 63,188,140.80 = 35,322,982.40 : x
  2. Step 2: Convert to fraction form
    42,125,427.20/63,188,140.80 = 35,322,982.40/x
  3. Step 3: Cross multiply
    42,125,427.20x = 63,188,140.80 × 35,322,982.40
  4. Step 4: Simplify right side
    42,125,427.20x = 2,231,993,585,367,121.75
  5. Step 5: Solve for x
    x = 2,231,993,585,367,121.75/42,125,427.20
  6. Step 6: Final answer
    x = 52,984,473.60

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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.