Home / 112,131,444.70-168,197,167.05-110,619,790.30

Finding the Fourth Proportional to 112,131,444.70, 168,197,167.05 and 110,619,790.30

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Solution

The fourth proportional to 112,131,444.70, 168,197,167.05 and 110,619,790.30 is: 165,929,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131,444.70 : 168,197,167.05 = 110,619,790.30 : x
  2. Step 2: Convert to fraction form
    112,131,444.70/168,197,167.05 = 110,619,790.30/x
  3. Step 3: Cross multiply
    112,131,444.70x = 168,197,167.05 × 110,619,790.30
  4. Step 4: Simplify right side
    112,131,444.70x = 18,605,935,348,125,072
  5. Step 5: Solve for x
    x = 18,605,935,348,125,072/112,131,444.70
  6. Step 6: Final answer
    x = 165,929,685.45

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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.