Home / 103,518,093.60-155,218,091.40-38,824,009.20

Finding the Fourth Proportional to 103,518,093.60, 155,218,091.40 and 38,824,009.20

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Solution

The fourth proportional to 103,518,093.60, 155,218,091.40 and 38,824,009.20 is: 58,213,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,518,093.60 : 155,218,091.40 = 38,824,009.20 : x
  2. Step 2: Convert to fraction form
    103,518,093.60/155,218,091.40 = 38,824,009.20/x
  3. Step 3: Cross multiply
    103,518,093.60x = 155,218,091.40 × 38,824,009.20
  4. Step 4: Simplify right side
    103,518,093.60x = 6,026,188,608,520,042
  5. Step 5: Solve for x
    x = 6,026,188,608,520,042/103,518,093.60
  6. Step 6: Final answer
    x = 58,213,867.73

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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.