Home / 112,161,731.20-168,242,596.80-96,767,324.80

Finding the Fourth Proportional to 112,161,731.20, 168,242,596.80 and 96,767,324.80

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Solution

The fourth proportional to 112,161,731.20, 168,242,596.80 and 96,767,324.80 is: 145,150,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161,731.20 : 168,242,596.80 = 96,767,324.80 : x
  2. Step 2: Convert to fraction form
    112,161,731.20/168,242,596.80 = 96,767,324.80/x
  3. Step 3: Cross multiply
    112,161,731.20x = 168,242,596.80 × 96,767,324.80
  4. Step 4: Simplify right side
    112,161,731.20x = 16,280,386,009,741,042
  5. Step 5: Solve for x
    x = 16,280,386,009,741,042/112,161,731.20
  6. Step 6: Final answer
    x = 145,150,987.20

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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.