Home / 123,670,411.30-185,505,616.95-42,891,379.30

Finding the Fourth Proportional to 123,670,411.30, 185,505,616.95 and 42,891,379.30

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Solution

The fourth proportional to 123,670,411.30, 185,505,616.95 and 42,891,379.30 is: 64,337,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670,411.30 : 185,505,616.95 = 42,891,379.30 : x
  2. Step 2: Convert to fraction form
    123,670,411.30/185,505,616.95 = 42,891,379.30/x
  3. Step 3: Cross multiply
    123,670,411.30x = 185,505,616.95 × 42,891,379.30
  4. Step 4: Simplify right side
    123,670,411.30x = 7,956,591,778,882,958
  5. Step 5: Solve for x
    x = 7,956,591,778,882,958/123,670,411.30
  6. Step 6: Final answer
    x = 64,337,068.95

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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.