Home / 55,145,110.20-82,717,665.30-51,743,887.80

Finding the Fourth Proportional to 55,145,110.20, 82,717,665.30 and 51,743,887.80

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Solution

The fourth proportional to 55,145,110.20, 82,717,665.30 and 51,743,887.80 is: 77,615,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,110.20 : 82,717,665.30 = 51,743,887.80 : x
  2. Step 2: Convert to fraction form
    55,145,110.20/82,717,665.30 = 51,743,887.80/x
  3. Step 3: Cross multiply
    55,145,110.20x = 82,717,665.30 × 51,743,887.80
  4. Step 4: Simplify right side
    55,145,110.20x = 4,280,133,592,361,153
  5. Step 5: Solve for x
    x = 4,280,133,592,361,153/55,145,110.20
  6. Step 6: Final answer
    x = 77,615,831.70

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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.