Home / 109,768,270.79-164,432,882.40-66,024,876.69

Finding the Fourth Proportional to 109,768,270.79, 164,432,882.40 and 66,024,876.69

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Solution

The fourth proportional to 109,768,270.79, 164,432,882.40 and 66,024,876.69 is: 98,905,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768,270.79 : 164,432,882.40 = 66,024,876.69 : x
  2. Step 2: Convert to fraction form
    109,768,270.79/164,432,882.40 = 66,024,876.69/x
  3. Step 3: Cross multiply
    109,768,270.79x = 164,432,882.40 × 66,024,876.69
  4. Step 4: Simplify right side
    109,768,270.79x = 10,856,660,784,241,272
  5. Step 5: Solve for x
    x = 10,856,660,784,241,272/109,768,270.79
  6. Step 6: Final answer
    x = 98,905,272.96

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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.