Home / 60,444,991.20-90,667,486.80-55,154,200.80

Finding the Fourth Proportional to 60,444,991.20, 90,667,486.80 and 55,154,200.80

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Solution

The fourth proportional to 60,444,991.20, 90,667,486.80 and 55,154,200.80 is: 82,731,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,444,991.20 : 90,667,486.80 = 55,154,200.80 : x
  2. Step 2: Convert to fraction form
    60,444,991.20/90,667,486.80 = 55,154,200.80/x
  3. Step 3: Cross multiply
    60,444,991.20x = 90,667,486.80 × 55,154,200.80
  4. Step 4: Simplify right side
    60,444,991.20x = 5,000,692,772,998,549
  5. Step 5: Solve for x
    x = 5,000,692,772,998,549/60,444,991.20
  6. Step 6: Final answer
    x = 82,731,301.20

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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.