Home / 124,338,079.76-171,517,667.20-87,223,618.12

Finding the Fourth Proportional to 124,338,079.76, 171,517,667.20 and 87,223,618.12

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Solution

The fourth proportional to 124,338,079.76, 171,517,667.20 and 87,223,618.12 is: 120,320,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338,079.76 : 171,517,667.20 = 87,223,618.12 : x
  2. Step 2: Convert to fraction form
    124,338,079.76/171,517,667.20 = 87,223,618.12/x
  3. Step 3: Cross multiply
    124,338,079.76x = 171,517,667.20 × 87,223,618.12
  4. Step 4: Simplify right side
    124,338,079.76x = 14,960,391,504,686,050
  5. Step 5: Solve for x
    x = 14,960,391,504,686,050/124,338,079.76
  6. Step 6: Final answer
    x = 120,320,271.42

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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.