Home / 75,551,575.75-113,314,686.55-20,969,706.41

Finding the Fourth Proportional to 75,551,575.75, 113,314,686.55 and 20,969,706.41

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Solution

The fourth proportional to 75,551,575.75, 113,314,686.55 and 20,969,706.41 is: 31,451,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551,575.75 : 113,314,686.55 = 20,969,706.41 : x
  2. Step 2: Convert to fraction form
    75,551,575.75/113,314,686.55 = 20,969,706.41/x
  3. Step 3: Cross multiply
    75,551,575.75x = 113,314,686.55 × 20,969,706.41
  4. Step 4: Simplify right side
    75,551,575.75x = 2,376,175,709,338,003
  5. Step 5: Solve for x
    x = 2,376,175,709,338,003/75,551,575.75
  6. Step 6: Final answer
    x = 31,451,041.04

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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.