Home / 48,512,186.40-72,768,279.60-19,743,513.60

Finding the Fourth Proportional to 48,512,186.40, 72,768,279.60 and 19,743,513.60

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Solution

The fourth proportional to 48,512,186.40, 72,768,279.60 and 19,743,513.60 is: 29,615,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512,186.40 : 72,768,279.60 = 19,743,513.60 : x
  2. Step 2: Convert to fraction form
    48,512,186.40/72,768,279.60 = 19,743,513.60/x
  3. Step 3: Cross multiply
    48,512,186.40x = 72,768,279.60 × 19,743,513.60
  4. Step 4: Simplify right side
    48,512,186.40x = 1,436,701,517,931,202.50
  5. Step 5: Solve for x
    x = 1,436,701,517,931,202.50/48,512,186.40
  6. Step 6: Final answer
    x = 29,615,270.40

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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.