Home / 206,258,042,038.29-309,386,990,238.21-55,160,416,335.36

Finding the Fourth Proportional to 206,258,042,038.29, 309,386,990,238.21 and 55,160,416,335.36

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Solution

The fourth proportional to 206,258,042,038.29, 309,386,990,238.21 and 55,160,416,335.36 is: 82,740,605,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258,042,038.29 : 309,386,990,238.21 = 55,160,416,335.36 : x
  2. Step 2: Convert to fraction form
    206,258,042,038.29/309,386,990,238.21 = 55,160,416,335.36/x
  3. Step 3: Cross multiply
    206,258,042,038.29x = 309,386,990,238.21 × 55,160,416,335.36
  4. Step 4: Simplify right side
    206,258,042,038.29x = 17,065,915,190,283,625,037,824
  5. Step 5: Solve for x
    x = 17,065,915,190,283,625,037,824/206,258,042,038.29
  6. Step 6: Final answer
    x = 82,740,605,028.70

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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.