Home / 150,281,796,310.31-207,387,405,544.60-81,689,128,314.42

Finding the Fourth Proportional to 150,281,796,310.31, 207,387,405,544.60 and 81,689,128,314.42

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Solution

The fourth proportional to 150,281,796,310.31, 207,387,405,544.60 and 81,689,128,314.42 is: 112,730,196,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,281,796,310.31 : 207,387,405,544.60 = 81,689,128,314.42 : x
  2. Step 2: Convert to fraction form
    150,281,796,310.31/207,387,405,544.60 = 81,689,128,314.42/x
  3. Step 3: Cross multiply
    150,281,796,310.31x = 207,387,405,544.60 × 81,689,128,314.42
  4. Step 4: Simplify right side
    150,281,796,310.31x = 16,941,296,382,327,486,676,992
  5. Step 5: Solve for x
    x = 16,941,296,382,327,486,676,992/150,281,796,310.31
  6. Step 6: Final answer
    x = 112,730,196,193.20

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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.