Home / 123,723,328.22-185,608,890.66-47,040,394.13

Finding the Fourth Proportional to 123,723,328.22, 185,608,890.66 and 47,040,394.13

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Solution

The fourth proportional to 123,723,328.22, 185,608,890.66 and 47,040,394.13 is: 70,569,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,723,328.22 : 185,608,890.66 = 47,040,394.13 : x
  2. Step 2: Convert to fraction form
    123,723,328.22/185,608,890.66 = 47,040,394.13/x
  3. Step 3: Cross multiply
    123,723,328.22x = 185,608,890.66 × 47,040,394.13
  4. Step 4: Simplify right side
    123,723,328.22x = 8,731,115,369,750,431
  5. Step 5: Solve for x
    x = 8,731,115,369,750,431/123,723,328.22
  6. Step 6: Final answer
    x = 70,569,677.49

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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.