Home / 82,615,246.20-123,922,869.30-74,395,625.40

Finding the Fourth Proportional to 82,615,246.20, 123,922,869.30 and 74,395,625.40

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Solution

The fourth proportional to 82,615,246.20, 123,922,869.30 and 74,395,625.40 is: 111,593,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615,246.20 : 123,922,869.30 = 74,395,625.40 : x
  2. Step 2: Convert to fraction form
    82,615,246.20/123,922,869.30 = 74,395,625.40/x
  3. Step 3: Cross multiply
    82,615,246.20x = 123,922,869.30 × 74,395,625.40
  4. Step 4: Simplify right side
    82,615,246.20x = 9,219,319,362,935,960
  5. Step 5: Solve for x
    x = 9,219,319,362,935,960/82,615,246.20
  6. Step 6: Final answer
    x = 111,593,438.10

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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.