Home / 49,939,807.20-74,909,710.80-25,644,861.60

Finding the Fourth Proportional to 49,939,807.20, 74,909,710.80 and 25,644,861.60

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Solution

The fourth proportional to 49,939,807.20, 74,909,710.80 and 25,644,861.60 is: 38,467,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939,807.20 : 74,909,710.80 = 25,644,861.60 : x
  2. Step 2: Convert to fraction form
    49,939,807.20/74,909,710.80 = 25,644,861.60/x
  3. Step 3: Cross multiply
    49,939,807.20x = 74,909,710.80 × 25,644,861.60
  4. Step 4: Simplify right side
    49,939,807.20x = 1,921,049,165,962,025.25
  5. Step 5: Solve for x
    x = 1,921,049,165,962,025.25/49,939,807.20
  6. Step 6: Final answer
    x = 38,467,292.40

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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.