Home / 206,835,400,849.76-285,432,060,642.19-115,383,878,837.76

Finding the Fourth Proportional to 206,835,400,849.76, 285,432,060,642.19 and 115,383,878,837.76

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Solution

The fourth proportional to 206,835,400,849.76, 285,432,060,642.19 and 115,383,878,837.76 is: 159,229,310,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,835,400,849.76 : 285,432,060,642.19 = 115,383,878,837.76 : x
  2. Step 2: Convert to fraction form
    206,835,400,849.76/285,432,060,642.19 = 115,383,878,837.76/x
  3. Step 3: Cross multiply
    206,835,400,849.76x = 285,432,060,642.19 × 115,383,878,837.76
  4. Step 4: Simplify right side
    206,835,400,849.76x = 32,934,258,301,550,616,117,248
  5. Step 5: Solve for x
    x = 32,934,258,301,550,616,117,248/206,835,400,849.76
  6. Step 6: Final answer
    x = 159,229,310,680.11

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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.