Home / 112,257,642.41-168,357,234.36-47,528,128.61

Finding the Fourth Proportional to 112,257,642.41, 168,357,234.36 and 47,528,128.61

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Solution

The fourth proportional to 112,257,642.41, 168,357,234.36 and 47,528,128.61 is: 71,279,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,257,642.41 : 168,357,234.36 = 47,528,128.61 : x
  2. Step 2: Convert to fraction form
    112,257,642.41/168,357,234.36 = 47,528,128.61/x
  3. Step 3: Cross multiply
    112,257,642.41x = 168,357,234.36 × 47,528,128.61
  4. Step 4: Simplify right side
    112,257,642.41x = 8,001,704,287,085,992
  5. Step 5: Solve for x
    x = 8,001,704,287,085,992/112,257,642.41
  6. Step 6: Final answer
    x = 71,279,817.71

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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.