Home / 52,152,395.80-78,239,091.30-43,691,330.20

Finding the Fourth Proportional to 52,152,395.80, 78,239,091.30 and 43,691,330.20

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Solution

The fourth proportional to 52,152,395.80, 78,239,091.30 and 43,691,330.20 is: 65,545,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,395.80 : 78,239,091.30 = 43,691,330.20 : x
  2. Step 2: Convert to fraction form
    52,152,395.80/78,239,091.30 = 43,691,330.20/x
  3. Step 3: Cross multiply
    52,152,395.80x = 78,239,091.30 × 43,691,330.20
  4. Step 4: Simplify right side
    52,152,395.80x = 3,418,369,972,536,247.50
  5. Step 5: Solve for x
    x = 3,418,369,972,536,247.50/52,152,395.80
  6. Step 6: Final answer
    x = 65,545,789.80

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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.