Home / 268,576,037.20-402,864,055.80-74,487,077.20

Finding the Fourth Proportional to 268,576,037.20, 402,864,055.80 and 74,487,077.20

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Solution

The fourth proportional to 268,576,037.20, 402,864,055.80 and 74,487,077.20 is: 111,730,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576,037.20 : 402,864,055.80 = 74,487,077.20 : x
  2. Step 2: Convert to fraction form
    268,576,037.20/402,864,055.80 = 74,487,077.20/x
  3. Step 3: Cross multiply
    268,576,037.20x = 402,864,055.80 × 74,487,077.20
  4. Step 4: Simplify right side
    268,576,037.20x = 30,008,166,025,479,708
  5. Step 5: Solve for x
    x = 30,008,166,025,479,708/268,576,037.20
  6. Step 6: Final answer
    x = 111,730,615.80

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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.