Home / 57,478,980.60-86,218,470.90-51,810,276.60

Finding the Fourth Proportional to 57,478,980.60, 86,218,470.90 and 51,810,276.60

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Solution

The fourth proportional to 57,478,980.60, 86,218,470.90 and 51,810,276.60 is: 77,715,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478,980.60 : 86,218,470.90 = 51,810,276.60 : x
  2. Step 2: Convert to fraction form
    57,478,980.60/86,218,470.90 = 51,810,276.60/x
  3. Step 3: Cross multiply
    57,478,980.60x = 86,218,470.90 × 51,810,276.60
  4. Step 4: Simplify right side
    57,478,980.60x = 4,467,002,825,358,051.50
  5. Step 5: Solve for x
    x = 4,467,002,825,358,051.50/57,478,980.60
  6. Step 6: Final answer
    x = 77,715,414.90

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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.