Home / 481,813,699.71-722,719,098.05-136,767,618.75

Finding the Fourth Proportional to 481,813,699.71, 722,719,098.05 and 136,767,618.75

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Solution

The fourth proportional to 481,813,699.71, 722,719,098.05 and 136,767,618.75 is: 205,151,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,813,699.71 : 722,719,098.05 = 136,767,618.75 : x
  2. Step 2: Convert to fraction form
    481,813,699.71/722,719,098.05 = 136,767,618.75/x
  3. Step 3: Cross multiply
    481,813,699.71x = 722,719,098.05 × 136,767,618.75
  4. Step 4: Simplify right side
    481,813,699.71x = 98,844,570,064,762,432
  5. Step 5: Solve for x
    x = 98,844,570,064,762,432/481,813,699.71
  6. Step 6: Final answer
    x = 205,151,016.10

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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.