Home / 55,318,831.20-82,810,285.20-49,272,213.60

Finding the Fourth Proportional to 55,318,831.20, 82,810,285.20 and 49,272,213.60

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Solution

The fourth proportional to 55,318,831.20, 82,810,285.20 and 49,272,213.60 is: 73,758,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318,831.20 : 82,810,285.20 = 49,272,213.60 : x
  2. Step 2: Convert to fraction form
    55,318,831.20/82,810,285.20 = 49,272,213.60/x
  3. Step 3: Cross multiply
    55,318,831.20x = 82,810,285.20 × 49,272,213.60
  4. Step 4: Simplify right side
    55,318,831.20x = 4,080,246,060,651,319
  5. Step 5: Solve for x
    x = 4,080,246,060,651,319/55,318,831.20
  6. Step 6: Final answer
    x = 73,758,717.82

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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.