Home / 213,017,400.03-319,558,048.91-74,818,648.85

Finding the Fourth Proportional to 213,017,400.03, 319,558,048.91 and 74,818,648.85

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Solution

The fourth proportional to 213,017,400.03, 319,558,048.91 and 74,818,648.85 is: 112,239,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,017,400.03 : 319,558,048.91 = 74,818,648.85 : x
  2. Step 2: Convert to fraction form
    213,017,400.03/319,558,048.91 = 74,818,648.85/x
  3. Step 3: Cross multiply
    213,017,400.03x = 319,558,048.91 × 74,818,648.85
  4. Step 4: Simplify right side
    213,017,400.03x = 23,908,901,449,753,052
  5. Step 5: Solve for x
    x = 23,908,901,449,753,052/213,017,400.03
  6. Step 6: Final answer
    x = 112,239,194.76

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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.