Home / 75,780,329.20-113,670,493.80-68,127,578.80

Finding the Fourth Proportional to 75,780,329.20, 113,670,493.80 and 68,127,578.80

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Solution

The fourth proportional to 75,780,329.20, 113,670,493.80 and 68,127,578.80 is: 102,191,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780,329.20 : 113,670,493.80 = 68,127,578.80 : x
  2. Step 2: Convert to fraction form
    75,780,329.20/113,670,493.80 = 68,127,578.80/x
  3. Step 3: Cross multiply
    75,780,329.20x = 113,670,493.80 × 68,127,578.80
  4. Step 4: Simplify right side
    75,780,329.20x = 7,744,095,523,594,411
  5. Step 5: Solve for x
    x = 7,744,095,523,594,411/75,780,329.20
  6. Step 6: Final answer
    x = 102,191,368.20

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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.