Home / 149,442,346.39-224,228,261.28-80,274,449.35

Finding the Fourth Proportional to 149,442,346.39, 224,228,261.28 and 80,274,449.35

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Solution

The fourth proportional to 149,442,346.39, 224,228,261.28 and 80,274,449.35 is: 120,446,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,442,346.39 : 224,228,261.28 = 80,274,449.35 : x
  2. Step 2: Convert to fraction form
    149,442,346.39/224,228,261.28 = 80,274,449.35/x
  3. Step 3: Cross multiply
    149,442,346.39x = 224,228,261.28 × 80,274,449.35
  4. Step 4: Simplify right side
    149,442,346.39x = 17,999,800,202,959,924
  5. Step 5: Solve for x
    x = 17,999,800,202,959,924/149,442,346.39
  6. Step 6: Final answer
    x = 120,446,450.67

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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.