Home / 138,228,256,810.92-207,342,385,713.86-38,854,901,382.44

Finding the Fourth Proportional to 138,228,256,810.92, 207,342,385,713.86 and 38,854,901,382.44

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Solution

The fourth proportional to 138,228,256,810.92, 207,342,385,713.86 and 38,854,901,382.44 is: 58,282,352,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,228,256,810.92 : 207,342,385,713.86 = 38,854,901,382.44 : x
  2. Step 2: Convert to fraction form
    138,228,256,810.92/207,342,385,713.86 = 38,854,901,382.44/x
  3. Step 3: Cross multiply
    138,228,256,810.92x = 207,342,385,713.86 × 38,854,901,382.44
  4. Step 4: Simplify right side
    138,228,256,810.92x = 8,056,267,949,311,866,699,776
  5. Step 5: Solve for x
    x = 8,056,267,949,311,866,699,776/138,228,256,810.92
  6. Step 6: Final answer
    x = 58,282,352,213.50

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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.