Home / 56,784,811.60-85,177,217.40-18,450,200.80

Finding the Fourth Proportional to 56,784,811.60, 85,177,217.40 and 18,450,200.80

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Solution

The fourth proportional to 56,784,811.60, 85,177,217.40 and 18,450,200.80 is: 27,675,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,784,811.60 : 85,177,217.40 = 18,450,200.80 : x
  2. Step 2: Convert to fraction form
    56,784,811.60/85,177,217.40 = 18,450,200.80/x
  3. Step 3: Cross multiply
    56,784,811.60x = 85,177,217.40 × 18,450,200.80
  4. Step 4: Simplify right side
    56,784,811.60x = 1,571,536,764,615,254
  5. Step 5: Solve for x
    x = 1,571,536,764,615,254/56,784,811.60
  6. Step 6: Final answer
    x = 27,675,301.20

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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.