Home / 57,955,999.80-86,933,999.70-51,909,382.20

Finding the Fourth Proportional to 57,955,999.80, 86,933,999.70 and 51,909,382.20

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Solution

The fourth proportional to 57,955,999.80, 86,933,999.70 and 51,909,382.20 is: 77,864,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,955,999.80 : 86,933,999.70 = 51,909,382.20 : x
  2. Step 2: Convert to fraction form
    57,955,999.80/86,933,999.70 = 51,909,382.20/x
  3. Step 3: Cross multiply
    57,955,999.80x = 86,933,999.70 × 51,909,382.20
  4. Step 4: Simplify right side
    57,955,999.80x = 4,512,690,216,601,986
  5. Step 5: Solve for x
    x = 4,512,690,216,601,986/57,955,999.80
  6. Step 6: Final answer
    x = 77,864,073.30

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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.