Home / 126,441,000.40-189,666,749.40-40,176,972.40

Finding the Fourth Proportional to 126,441,000.40, 189,666,749.40 and 40,176,972.40

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Solution

The fourth proportional to 126,441,000.40, 189,666,749.40 and 40,176,972.40 is: 60,267,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,441,000.40 : 189,666,749.40 = 40,176,972.40 : x
  2. Step 2: Convert to fraction form
    126,441,000.40/189,666,749.40 = 40,176,972.40/x
  3. Step 3: Cross multiply
    126,441,000.40x = 189,666,749.40 × 40,176,972.40
  4. Step 4: Simplify right side
    126,441,000.40x = 7,620,235,755,841,517
  5. Step 5: Solve for x
    x = 7,620,235,755,841,517/126,441,000.40
  6. Step 6: Final answer
    x = 60,267,126.42

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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.