Home / 67,155,280.65-100,732,920.98-18,633,040.65

Finding the Fourth Proportional to 67,155,280.65, 100,732,920.98 and 18,633,040.65

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Solution

The fourth proportional to 67,155,280.65, 100,732,920.98 and 18,633,040.65 is: 27,949,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155,280.65 : 100,732,920.98 = 18,633,040.65 : x
  2. Step 2: Convert to fraction form
    67,155,280.65/100,732,920.98 = 18,633,040.65/x
  3. Step 3: Cross multiply
    67,155,280.65x = 100,732,920.98 × 18,633,040.65
  4. Step 4: Simplify right side
    67,155,280.65x = 1,876,960,611,320,412.25
  5. Step 5: Solve for x
    x = 1,876,960,611,320,412.25/67,155,280.65
  6. Step 6: Final answer
    x = 27,949,560.98

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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.