Home / 113,520,007.20-170,302,129.20-45,351,098.40

Finding the Fourth Proportional to 113,520,007.20, 170,302,129.20 and 45,351,098.40

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Solution

The fourth proportional to 113,520,007.20, 170,302,129.20 and 45,351,098.40 is: 68,035,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,520,007.20 : 170,302,129.20 = 45,351,098.40 : x
  2. Step 2: Convert to fraction form
    113,520,007.20/170,302,129.20 = 45,351,098.40/x
  3. Step 3: Cross multiply
    113,520,007.20x = 170,302,129.20 × 45,351,098.40
  4. Step 4: Simplify right side
    113,520,007.20x = 7,723,388,619,078,712
  5. Step 5: Solve for x
    x = 7,723,388,619,078,712/113,520,007.20
  6. Step 6: Final answer
    x = 68,035,483.87

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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.