Home / 109,183,240.80-163,774,861.20-51,787,612.80

Finding the Fourth Proportional to 109,183,240.80, 163,774,861.20 and 51,787,612.80

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Solution

The fourth proportional to 109,183,240.80, 163,774,861.20 and 51,787,612.80 is: 77,681,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,183,240.80 : 163,774,861.20 = 51,787,612.80 : x
  2. Step 2: Convert to fraction form
    109,183,240.80/163,774,861.20 = 51,787,612.80/x
  3. Step 3: Cross multiply
    109,183,240.80x = 163,774,861.20 × 51,787,612.80
  4. Step 4: Simplify right side
    109,183,240.80x = 8,481,509,098,199,342
  5. Step 5: Solve for x
    x = 8,481,509,098,199,342/109,183,240.80
  6. Step 6: Final answer
    x = 77,681,419.20

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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.