Home / 50,212,823.20-75,319,234.80-38,861,418.40

Finding the Fourth Proportional to 50,212,823.20, 75,319,234.80 and 38,861,418.40

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Solution

The fourth proportional to 50,212,823.20, 75,319,234.80 and 38,861,418.40 is: 58,292,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,212,823.20 : 75,319,234.80 = 38,861,418.40 : x
  2. Step 2: Convert to fraction form
    50,212,823.20/75,319,234.80 = 38,861,418.40/x
  3. Step 3: Cross multiply
    50,212,823.20x = 75,319,234.80 × 38,861,418.40
  4. Step 4: Simplify right side
    50,212,823.20x = 2,927,012,297,130,640
  5. Step 5: Solve for x
    x = 2,927,012,297,130,640/50,212,823.20
  6. Step 6: Final answer
    x = 58,292,127.60

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1.5x scale

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.