Home / 104,005,979.20-156,008,968.80-50,258,267.20

Finding the Fourth Proportional to 104,005,979.20, 156,008,968.80 and 50,258,267.20

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Solution

The fourth proportional to 104,005,979.20, 156,008,968.80 and 50,258,267.20 is: 75,387,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,005,979.20 : 156,008,968.80 = 50,258,267.20 : x
  2. Step 2: Convert to fraction form
    104,005,979.20/156,008,968.80 = 50,258,267.20/x
  3. Step 3: Cross multiply
    104,005,979.20x = 156,008,968.80 × 50,258,267.20
  4. Step 4: Simplify right side
    104,005,979.20x = 7,840,740,439,546,864
  5. Step 5: Solve for x
    x = 7,840,740,439,546,864/104,005,979.20
  6. Step 6: Final answer
    x = 75,387,400.80

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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.