Home / 48,512,281.40-72,768,422.10-19,743,608.60

Finding the Fourth Proportional to 48,512,281.40, 72,768,422.10 and 19,743,608.60

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Solution

The fourth proportional to 48,512,281.40, 72,768,422.10 and 19,743,608.60 is: 29,615,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,281.40 : 72,768,422.10 = 19,743,608.60 : x
  2. Step 2: Convert to fraction form
    48,512,281.40/72,768,422.10 = 19,743,608.60/x
  3. Step 3: Cross multiply
    48,512,281.40x = 72,768,422.10 × 19,743,608.60
  4. Step 4: Simplify right side
    48,512,281.40x = 1,436,711,244,381,990
  5. Step 5: Solve for x
    x = 1,436,711,244,381,990/48,512,281.40
  6. Step 6: Final answer
    x = 29,615,412.90

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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.