Home / 123,882,166.20-185,823,249.30-66,486,538.20

Finding the Fourth Proportional to 123,882,166.20, 185,823,249.30 and 66,486,538.20

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Solution

The fourth proportional to 123,882,166.20, 185,823,249.30 and 66,486,538.20 is: 99,729,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,882,166.20 : 185,823,249.30 = 66,486,538.20 : x
  2. Step 2: Convert to fraction form
    123,882,166.20/185,823,249.30 = 66,486,538.20/x
  3. Step 3: Cross multiply
    123,882,166.20x = 185,823,249.30 × 66,486,538.20
  4. Step 4: Simplify right side
    123,882,166.20x = 12,354,744,563,032,574
  5. Step 5: Solve for x
    x = 12,354,744,563,032,574/123,882,166.20
  6. Step 6: Final answer
    x = 99,729,807.30

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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.