Home / 314,954,260.20-472,431,390.30-142,436,701.80

Finding the Fourth Proportional to 314,954,260.20, 472,431,390.30 and 142,436,701.80

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Solution

The fourth proportional to 314,954,260.20, 472,431,390.30 and 142,436,701.80 is: 213,655,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,954,260.20 : 472,431,390.30 = 142,436,701.80 : x
  2. Step 2: Convert to fraction form
    314,954,260.20/472,431,390.30 = 142,436,701.80/x
  3. Step 3: Cross multiply
    314,954,260.20x = 472,431,390.30 × 142,436,701.80
  4. Step 4: Simplify right side
    314,954,260.20x = 67,291,569,061,120,520
  5. Step 5: Solve for x
    x = 67,291,569,061,120,520/314,954,260.20
  6. Step 6: Final answer
    x = 213,655,052.70

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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.