Home / 57,256,459.20-85,828,701.60-51,209,841.60

Finding the Fourth Proportional to 57,256,459.20, 85,828,701.60 and 51,209,841.60

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Solution

The fourth proportional to 57,256,459.20, 85,828,701.60 and 51,209,841.60 is: 76,764,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256,459.20 : 85,828,701.60 = 51,209,841.60 : x
  2. Step 2: Convert to fraction form
    57,256,459.20/85,828,701.60 = 51,209,841.60/x
  3. Step 3: Cross multiply
    57,256,459.20x = 85,828,701.60 × 51,209,841.60
  4. Step 4: Simplify right side
    57,256,459.20x = 4,395,274,213,669,666.50
  5. Step 5: Solve for x
    x = 4,395,274,213,669,666.50/57,256,459.20
  6. Step 6: Final answer
    x = 76,764,687.78

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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.