Home / 260,657,510,041.73-390,775,272,169.61-81,491,272,836.14

Finding the Fourth Proportional to 260,657,510,041.73, 390,775,272,169.61 and 81,491,272,836.14

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Solution

The fourth proportional to 260,657,510,041.73, 390,775,272,169.61 and 81,491,272,836.14 is: 122,170,944,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,657,510,041.73 : 390,775,272,169.61 = 81,491,272,836.14 : x
  2. Step 2: Convert to fraction form
    260,657,510,041.73/390,775,272,169.61 = 81,491,272,836.14/x
  3. Step 3: Cross multiply
    260,657,510,041.73x = 390,775,272,169.61 × 81,491,272,836.14
  4. Step 4: Simplify right side
    260,657,510,041.73x = 31,844,774,321,988,598,497,280
  5. Step 5: Solve for x
    x = 31,844,774,321,988,598,497,280/260,657,510,041.73
  6. Step 6: Final answer
    x = 122,170,944,995.56

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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.