Home / 52,887,979.20-79,331,968.80-36,679,684.80

Finding the Fourth Proportional to 52,887,979.20, 79,331,968.80 and 36,679,684.80

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Solution

The fourth proportional to 52,887,979.20, 79,331,968.80 and 36,679,684.80 is: 55,019,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887,979.20 : 79,331,968.80 = 36,679,684.80 : x
  2. Step 2: Convert to fraction form
    52,887,979.20/79,331,968.80 = 36,679,684.80/x
  3. Step 3: Cross multiply
    52,887,979.20x = 79,331,968.80 × 36,679,684.80
  4. Step 4: Simplify right side
    52,887,979.20x = 2,909,871,610,147,434
  5. Step 5: Solve for x
    x = 2,909,871,610,147,434/52,887,979.20
  6. Step 6: Final answer
    x = 55,019,527.20

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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.