Home / 281,310,347,948.10-421,965,521,922.15-162,294,773,727.30

Finding the Fourth Proportional to 281,310,347,948.10, 421,965,521,922.15 and 162,294,773,727.30

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Solution

The fourth proportional to 281,310,347,948.10, 421,965,521,922.15 and 162,294,773,727.30 is: 243,442,160,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,310,347,948.10 : 421,965,521,922.15 = 162,294,773,727.30 : x
  2. Step 2: Convert to fraction form
    281,310,347,948.10/421,965,521,922.15 = 162,294,773,727.30/x
  3. Step 3: Cross multiply
    281,310,347,948.10x = 421,965,521,922.15 × 162,294,773,727.30
  4. Step 4: Simplify right side
    281,310,347,948.10x = 68,482,798,901,077,376,761,856
  5. Step 5: Solve for x
    x = 68,482,798,901,077,376,761,856/281,310,347,948.10
  6. Step 6: Final answer
    x = 243,442,160,590.95

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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.