Home / 47,804,569.20-71,706,853.80-43,818,761.70

Finding the Fourth Proportional to 47,804,569.20, 71,706,853.80 and 43,818,761.70

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Solution

The fourth proportional to 47,804,569.20, 71,706,853.80 and 43,818,761.70 is: 65,728,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,804,569.20 : 71,706,853.80 = 43,818,761.70 : x
  2. Step 2: Convert to fraction form
    47,804,569.20/71,706,853.80 = 43,818,761.70/x
  3. Step 3: Cross multiply
    47,804,569.20x = 71,706,853.80 × 43,818,761.70
  4. Step 4: Simplify right side
    47,804,569.20x = 3,142,105,538,918,939.50
  5. Step 5: Solve for x
    x = 3,142,105,538,918,939.50/47,804,569.20
  6. Step 6: Final answer
    x = 65,728,142.55

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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.