Home / 178,305,295.76-245,957,058.12-112,121,046.80

Finding the Fourth Proportional to 178,305,295.76, 245,957,058.12 and 112,121,046.80

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Solution

The fourth proportional to 178,305,295.76, 245,957,058.12 and 112,121,046.80 is: 154,661,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,305,295.76 : 245,957,058.12 = 112,121,046.80 : x
  2. Step 2: Convert to fraction form
    178,305,295.76/245,957,058.12 = 112,121,046.80/x
  3. Step 3: Cross multiply
    178,305,295.76x = 245,957,058.12 × 112,121,046.80
  4. Step 4: Simplify right side
    178,305,295.76x = 27,576,962,824,262,840
  5. Step 5: Solve for x
    x = 27,576,962,824,262,840/178,305,295.76
  6. Step 6: Final answer
    x = 154,661,490.60

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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.