Home / 261,020,723.70-391,531,085.55-158,984,051.70

Finding the Fourth Proportional to 261,020,723.70, 391,531,085.55 and 158,984,051.70

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Solution

The fourth proportional to 261,020,723.70, 391,531,085.55 and 158,984,051.70 is: 238,476,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,020,723.70 : 391,531,085.55 = 158,984,051.70 : x
  2. Step 2: Convert to fraction form
    261,020,723.70/391,531,085.55 = 158,984,051.70/x
  3. Step 3: Cross multiply
    261,020,723.70x = 391,531,085.55 × 158,984,051.70
  4. Step 4: Simplify right side
    261,020,723.70x = 62,247,198,347,238,320
  5. Step 5: Solve for x
    x = 62,247,198,347,238,320/261,020,723.70
  6. Step 6: Final answer
    x = 238,476,077.55

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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.