Home / 48,456,820.80-72,685,231.20-42,977,073.60

Finding the Fourth Proportional to 48,456,820.80, 72,685,231.20 and 42,977,073.60

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Solution

The fourth proportional to 48,456,820.80, 72,685,231.20 and 42,977,073.60 is: 64,465,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,456,820.80 : 72,685,231.20 = 42,977,073.60 : x
  2. Step 2: Convert to fraction form
    48,456,820.80/72,685,231.20 = 42,977,073.60/x
  3. Step 3: Cross multiply
    48,456,820.80x = 72,685,231.20 × 42,977,073.60
  4. Step 4: Simplify right side
    48,456,820.80x = 3,123,798,530,915,416.50
  5. Step 5: Solve for x
    x = 3,123,798,530,915,416.50/48,456,820.80
  6. Step 6: Final answer
    x = 64,465,610.40

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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.