Home / 112,161,777.20-168,242,665.80-96,767,370.80

Finding the Fourth Proportional to 112,161,777.20, 168,242,665.80 and 96,767,370.80

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Solution

The fourth proportional to 112,161,777.20, 168,242,665.80 and 96,767,370.80 is: 145,151,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,161,777.20 : 168,242,665.80 = 96,767,370.80 : x
  2. Step 2: Convert to fraction form
    112,161,777.20/168,242,665.80 = 96,767,370.80/x
  3. Step 3: Cross multiply
    112,161,777.20x = 168,242,665.80 × 96,767,370.80
  4. Step 4: Simplify right side
    112,161,777.20x = 16,280,400,425,849,080
  5. Step 5: Solve for x
    x = 16,280,400,425,849,080/112,161,777.20
  6. Step 6: Final answer
    x = 145,151,056.20

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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.