Home / 109,141,882.20-163,712,823.30-65,492,861.40

Finding the Fourth Proportional to 109,141,882.20, 163,712,823.30 and 65,492,861.40

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Solution

The fourth proportional to 109,141,882.20, 163,712,823.30 and 65,492,861.40 is: 98,239,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,141,882.20 : 163,712,823.30 = 65,492,861.40 : x
  2. Step 2: Convert to fraction form
    109,141,882.20/163,712,823.30 = 65,492,861.40/x
  3. Step 3: Cross multiply
    109,141,882.20x = 163,712,823.30 × 65,492,861.40
  4. Step 4: Simplify right side
    109,141,882.20x = 10,722,021,245,789,592
  5. Step 5: Solve for x
    x = 10,722,021,245,789,592/109,141,882.20
  6. Step 6: Final answer
    x = 98,239,292.10

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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.