Home / 101,589,373.28-140,194,471.20-59,782,681.28

Finding the Fourth Proportional to 101,589,373.28, 140,194,471.20 and 59,782,681.28

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Solution

The fourth proportional to 101,589,373.28, 140,194,471.20 and 59,782,681.28 is: 82,500,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,589,373.28 : 140,194,471.20 = 59,782,681.28 : x
  2. Step 2: Convert to fraction form
    101,589,373.28/140,194,471.20 = 59,782,681.28/x
  3. Step 3: Cross multiply
    101,589,373.28x = 140,194,471.20 × 59,782,681.28
  4. Step 4: Simplify right side
    101,589,373.28x = 8,381,201,388,967,739
  5. Step 5: Solve for x
    x = 8,381,201,388,967,739/101,589,373.28
  6. Step 6: Final answer
    x = 82,500,768.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.