Home / 159,049,172,091.86-219,492,514,702.05-86,795,892,680.66

Finding the Fourth Proportional to 159,049,172,091.86, 219,492,514,702.05 and 86,795,892,680.66

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Solution

The fourth proportional to 159,049,172,091.86, 219,492,514,702.05 and 86,795,892,680.66 is: 119,780,873,422.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,049,172,091.86 : 219,492,514,702.05 = 86,795,892,680.66 : x
  2. Step 2: Convert to fraction form
    159,049,172,091.86/219,492,514,702.05 = 86,795,892,680.66/x
  3. Step 3: Cross multiply
    159,049,172,091.86x = 219,492,514,702.05 × 86,795,892,680.66
  4. Step 4: Simplify right side
    159,049,172,091.86x = 19,051,048,750,287,320,776,704
  5. Step 5: Solve for x
    x = 19,051,048,750,287,320,776,704/159,049,172,091.86
  6. Step 6: Final answer
    x = 119,780,873,422.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.