Home / 80,889,350.40-121,334,025.60-58,214,534.40

Finding the Fourth Proportional to 80,889,350.40, 121,334,025.60 and 58,214,534.40

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Solution

The fourth proportional to 80,889,350.40, 121,334,025.60 and 58,214,534.40 is: 87,321,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,889,350.40 : 121,334,025.60 = 58,214,534.40 : x
  2. Step 2: Convert to fraction form
    80,889,350.40/121,334,025.60 = 58,214,534.40/x
  3. Step 3: Cross multiply
    80,889,350.40x = 121,334,025.60 × 58,214,534.40
  4. Step 4: Simplify right side
    80,889,350.40x = 7,063,403,807,181,680
  5. Step 5: Solve for x
    x = 7,063,403,807,181,680/80,889,350.40
  6. Step 6: Final answer
    x = 87,321,801.60

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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.