Home / 67,381,970.25-92,987,118.88-36,442,139.50

Finding the Fourth Proportional to 67,381,970.25, 92,987,118.88 and 36,442,139.50

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Solution

The fourth proportional to 67,381,970.25, 92,987,118.88 and 36,442,139.50 is: 50,290,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381,970.25 : 92,987,118.88 = 36,442,139.50 : x
  2. Step 2: Convert to fraction form
    67,381,970.25/92,987,118.88 = 36,442,139.50/x
  3. Step 3: Cross multiply
    67,381,970.25x = 92,987,118.88 × 36,442,139.50
  4. Step 4: Simplify right side
    67,381,970.25x = 3,388,649,557,604,470.50
  5. Step 5: Solve for x
    x = 3,388,649,557,604,470.50/67,381,970.25
  6. Step 6: Final answer
    x = 50,290,152.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.