Home / 52,395,471.20-78,224,801.86-40,034,743.76

Finding the Fourth Proportional to 52,395,471.20, 78,224,801.86 and 40,034,743.76

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Solution

The fourth proportional to 52,395,471.20, 78,224,801.86 and 40,034,743.76 is: 59,770,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,395,471.20 : 78,224,801.86 = 40,034,743.76 : x
  2. Step 2: Convert to fraction form
    52,395,471.20/78,224,801.86 = 40,034,743.76/x
  3. Step 3: Cross multiply
    52,395,471.20x = 78,224,801.86 × 40,034,743.76
  4. Step 4: Simplify right side
    52,395,471.20x = 3,131,709,898,141,871
  5. Step 5: Solve for x
    x = 3,131,709,898,141,871/52,395,471.20
  6. Step 6: Final answer
    x = 59,770,621.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.