Home / 112,161,806.40-168,192,943.20-51,546,331.20

Finding the Fourth Proportional to 112,161,806.40, 168,192,943.20 and 51,546,331.20

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Solution

The fourth proportional to 112,161,806.40, 168,192,943.20 and 51,546,331.20 is: 77,296,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161,806.40 : 168,192,943.20 = 51,546,331.20 : x
  2. Step 2: Convert to fraction form
    112,161,806.40/168,192,943.20 = 51,546,331.20/x
  3. Step 3: Cross multiply
    112,161,806.40x = 168,192,943.20 × 51,546,331.20
  4. Step 4: Simplify right side
    112,161,806.40x = 8,669,729,155,689,988
  5. Step 5: Solve for x
    x = 8,669,729,155,689,988/112,161,806.40
  6. Step 6: Final answer
    x = 77,296,625.60

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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.