Home / 268,576,025.20-402,864,037.80-74,487,065.20

Finding the Fourth Proportional to 268,576,025.20, 402,864,037.80 and 74,487,065.20

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Solution

The fourth proportional to 268,576,025.20, 402,864,037.80 and 74,487,065.20 is: 111,730,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,576,025.20 : 402,864,037.80 = 74,487,065.20 : x
  2. Step 2: Convert to fraction form
    268,576,025.20/402,864,037.80 = 74,487,065.20/x
  3. Step 3: Cross multiply
    268,576,025.20x = 402,864,037.80 × 74,487,065.20
  4. Step 4: Simplify right side
    268,576,025.20x = 30,008,159,850,343,868
  5. Step 5: Solve for x
    x = 30,008,159,850,343,868/268,576,025.20
  6. Step 6: Final answer
    x = 111,730,597.80

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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.