Home / 82,615,266.20-123,922,899.30-74,395,645.40

Finding the Fourth Proportional to 82,615,266.20, 123,922,899.30 and 74,395,645.40

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Solution

The fourth proportional to 82,615,266.20, 123,922,899.30 and 74,395,645.40 is: 111,593,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615,266.20 : 123,922,899.30 = 74,395,645.40 : x
  2. Step 2: Convert to fraction form
    82,615,266.20/123,922,899.30 = 74,395,645.40/x
  3. Step 3: Cross multiply
    82,615,266.20x = 123,922,899.30 × 74,395,645.40
  4. Step 4: Simplify right side
    82,615,266.20x = 9,219,324,073,262,708
  5. Step 5: Solve for x
    x = 9,219,324,073,262,708/82,615,266.20
  6. Step 6: Final answer
    x = 111,593,468.10

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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.