Home / 56,677,229.08-78,238,708.38-38,103,141.56

Finding the Fourth Proportional to 56,677,229.08, 78,238,708.38 and 38,103,141.56

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Solution

The fourth proportional to 56,677,229.08, 78,238,708.38 and 38,103,141.56 is: 52,598,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,677,229.08 : 78,238,708.38 = 38,103,141.56 : x
  2. Step 2: Convert to fraction form
    56,677,229.08/78,238,708.38 = 38,103,141.56/x
  3. Step 3: Cross multiply
    56,677,229.08x = 78,238,708.38 × 38,103,141.56
  4. Step 4: Simplify right side
    56,677,229.08x = 2,981,140,580,483,504.50
  5. Step 5: Solve for x
    x = 2,981,140,580,483,504.50/56,677,229.08
  6. Step 6: Final answer
    x = 52,598,559.05

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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.