Home / 206,258,042,689.56-309,386,991,215.52-55,160,416,985.49

Finding the Fourth Proportional to 206,258,042,689.56, 309,386,991,215.52 and 55,160,416,985.49

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Solution

The fourth proportional to 206,258,042,689.56, 309,386,991,215.52 and 55,160,416,985.49 is: 82,740,606,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,258,042,689.56 : 309,386,991,215.52 = 55,160,416,985.49 : x
  2. Step 2: Convert to fraction form
    206,258,042,689.56/309,386,991,215.52 = 55,160,416,985.49/x
  3. Step 3: Cross multiply
    206,258,042,689.56x = 309,386,991,215.52 × 55,160,416,985.49
  4. Step 4: Simplify right side
    206,258,042,689.56x = 17,065,915,445,334,216,015,872
  5. Step 5: Solve for x
    x = 17,065,915,445,334,216,015,872/206,258,042,689.56
  6. Step 6: Final answer
    x = 82,740,606,004.01

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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.