Home / 96,777,260.40-145,165,890.60-72,889,388.40

Finding the Fourth Proportional to 96,777,260.40, 145,165,890.60 and 72,889,388.40

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Solution

The fourth proportional to 96,777,260.40, 145,165,890.60 and 72,889,388.40 is: 109,334,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777,260.40 : 145,165,890.60 = 72,889,388.40 : x
  2. Step 2: Convert to fraction form
    96,777,260.40/145,165,890.60 = 72,889,388.40/x
  3. Step 3: Cross multiply
    96,777,260.40x = 145,165,890.60 × 72,889,388.40
  4. Step 4: Simplify right side
    96,777,260.40x = 10,581,052,982,375,310
  5. Step 5: Solve for x
    x = 10,581,052,982,375,310/96,777,260.40
  6. Step 6: Final answer
    x = 109,334,082.60

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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.