Home / 400,424,175.95-600,416,818.95-123,998,649.93

Finding the Fourth Proportional to 400,424,175.95, 600,416,818.95 and 123,998,649.93

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Solution

The fourth proportional to 400,424,175.95, 600,416,818.95 and 123,998,649.93 is: 185,930,019.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,424,175.95 : 600,416,818.95 = 123,998,649.93 : x
  2. Step 2: Convert to fraction form
    400,424,175.95/600,416,818.95 = 123,998,649.93/x
  3. Step 3: Cross multiply
    400,424,175.95x = 600,416,818.95 × 123,998,649.93
  4. Step 4: Simplify right side
    400,424,175.95x = 74,450,874,945,530,240
  5. Step 5: Solve for x
    x = 74,450,874,945,530,240/400,424,175.95
  6. Step 6: Final answer
    x = 185,930,019.76

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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.