Home / 253,082,376.06-379,252,160.13-142,633,065.72

Finding the Fourth Proportional to 253,082,376.06, 379,252,160.13 and 142,633,065.72

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Solution

The fourth proportional to 253,082,376.06, 379,252,160.13 and 142,633,065.72 is: 213,740,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,082,376.06 : 379,252,160.13 = 142,633,065.72 : x
  2. Step 2: Convert to fraction form
    253,082,376.06/379,252,160.13 = 142,633,065.72/x
  3. Step 3: Cross multiply
    253,082,376.06x = 379,252,160.13 × 142,633,065.72
  4. Step 4: Simplify right side
    253,082,376.06x = 54,093,898,280,274,256
  5. Step 5: Solve for x
    x = 54,093,898,280,274,256/253,082,376.06
  6. Step 6: Final answer
    x = 213,740,281.42

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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.