Home / 51,893,382.50-71,600,987.10-30,981,345.20

Finding the Fourth Proportional to 51,893,382.50, 71,600,987.10 and 30,981,345.20

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Solution

The fourth proportional to 51,893,382.50, 71,600,987.10 and 30,981,345.20 is: 42,747,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,893,382.50 : 71,600,987.10 = 30,981,345.20 : x
  2. Step 2: Convert to fraction form
    51,893,382.50/71,600,987.10 = 30,981,345.20/x
  3. Step 3: Cross multiply
    51,893,382.50x = 71,600,987.10 × 30,981,345.20
  4. Step 4: Simplify right side
    51,893,382.50x = 2,218,294,898,005,846.75
  5. Step 5: Solve for x
    x = 2,218,294,898,005,846.75/51,893,382.50
  6. Step 6: Final answer
    x = 42,747,163.34

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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.