Home / 75,842,830.80-113,764,246.20-75,087,003.60

Finding the Fourth Proportional to 75,842,830.80, 113,764,246.20 and 75,087,003.60

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Solution

The fourth proportional to 75,842,830.80, 113,764,246.20 and 75,087,003.60 is: 112,630,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,842,830.80 : 113,764,246.20 = 75,087,003.60 : x
  2. Step 2: Convert to fraction form
    75,842,830.80/113,764,246.20 = 75,087,003.60/x
  3. Step 3: Cross multiply
    75,842,830.80x = 113,764,246.20 × 75,087,003.60
  4. Step 4: Simplify right side
    75,842,830.80x = 8,542,216,363,970,686
  5. Step 5: Solve for x
    x = 8,542,216,363,970,686/75,842,830.80
  6. Step 6: Final answer
    x = 112,630,505.40

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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.