Home / 210,138,586.20-315,207,879.30-113,283,463.95

Finding the Fourth Proportional to 210,138,586.20, 315,207,879.30 and 113,283,463.95

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Solution

The fourth proportional to 210,138,586.20, 315,207,879.30 and 113,283,463.95 is: 169,925,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,138,586.20 : 315,207,879.30 = 113,283,463.95 : x
  2. Step 2: Convert to fraction form
    210,138,586.20/315,207,879.30 = 113,283,463.95/x
  3. Step 3: Cross multiply
    210,138,586.20x = 315,207,879.30 × 113,283,463.95
  4. Step 4: Simplify right side
    210,138,586.20x = 35,707,840,431,437,504
  5. Step 5: Solve for x
    x = 35,707,840,431,437,504/210,138,586.20
  6. Step 6: Final answer
    x = 169,925,195.93

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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.