Home / 220,894,290.40-331,341,435.60-75,492,032.80

Finding the Fourth Proportional to 220,894,290.40, 331,341,435.60 and 75,492,032.80

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Solution

The fourth proportional to 220,894,290.40, 331,341,435.60 and 75,492,032.80 is: 113,238,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,894,290.40 : 331,341,435.60 = 75,492,032.80 : x
  2. Step 2: Convert to fraction form
    220,894,290.40/331,341,435.60 = 75,492,032.80/x
  3. Step 3: Cross multiply
    220,894,290.40x = 331,341,435.60 × 75,492,032.80
  4. Step 4: Simplify right side
    220,894,290.40x = 25,013,638,524,314,288
  5. Step 5: Solve for x
    x = 25,013,638,524,314,288/220,894,290.40
  6. Step 6: Final answer
    x = 113,238,049.20

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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.