Home / 268,576,039.70-402,864,059.55-74,487,079.70

Finding the Fourth Proportional to 268,576,039.70, 402,864,059.55 and 74,487,079.70

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Solution

The fourth proportional to 268,576,039.70, 402,864,059.55 and 74,487,079.70 is: 111,730,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576,039.70 : 402,864,059.55 = 74,487,079.70 : x
  2. Step 2: Convert to fraction form
    268,576,039.70/402,864,059.55 = 74,487,079.70/x
  3. Step 3: Cross multiply
    268,576,039.70x = 402,864,059.55 × 74,487,079.70
  4. Step 4: Simplify right side
    268,576,039.70x = 30,008,167,311,966,400
  5. Step 5: Solve for x
    x = 30,008,167,311,966,400/268,576,039.70
  6. Step 6: Final answer
    x = 111,730,619.55

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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.