Home / 75,379,615.20-113,069,422.80-67,726,864.80

Finding the Fourth Proportional to 75,379,615.20, 113,069,422.80 and 67,726,864.80

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Solution

The fourth proportional to 75,379,615.20, 113,069,422.80 and 67,726,864.80 is: 101,590,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379,615.20 : 113,069,422.80 = 67,726,864.80 : x
  2. Step 2: Convert to fraction form
    75,379,615.20/113,069,422.80 = 67,726,864.80/x
  3. Step 3: Cross multiply
    75,379,615.20x = 113,069,422.80 × 67,726,864.80
  4. Step 4: Simplify right side
    75,379,615.20x = 7,657,837,510,989,637
  5. Step 5: Solve for x
    x = 7,657,837,510,989,637/75,379,615.20
  6. Step 6: Final answer
    x = 101,590,297.20

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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.