Home / 80,200,442.51-120,281,401.75-37,028,165.84

Finding the Fourth Proportional to 80,200,442.51, 120,281,401.75 and 37,028,165.84

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Solution

The fourth proportional to 80,200,442.51, 120,281,401.75 and 37,028,165.84 is: 55,533,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,200,442.51 : 120,281,401.75 = 37,028,165.84 : x
  2. Step 2: Convert to fraction form
    80,200,442.51/120,281,401.75 = 37,028,165.84/x
  3. Step 3: Cross multiply
    80,200,442.51x = 120,281,401.75 × 37,028,165.84
  4. Step 4: Simplify right side
    80,200,442.51x = 4,453,799,691,466,666.50
  5. Step 5: Solve for x
    x = 4,453,799,691,466,666.50/80,200,442.51
  6. Step 6: Final answer
    x = 55,533,355.58

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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.