Home / 143,266,023.11-197,705,220.68-79,685,933.51

Finding the Fourth Proportional to 143,266,023.11, 197,705,220.68 and 79,685,933.51

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Solution

The fourth proportional to 143,266,023.11, 197,705,220.68 and 79,685,933.51 is: 109,965,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266,023.11 : 197,705,220.68 = 79,685,933.51 : x
  2. Step 2: Convert to fraction form
    143,266,023.11/197,705,220.68 = 79,685,933.51/x
  3. Step 3: Cross multiply
    143,266,023.11x = 197,705,220.68 × 79,685,933.51
  4. Step 4: Simplify right side
    143,266,023.11x = 15,754,325,068,897,046
  5. Step 5: Solve for x
    x = 15,754,325,068,897,046/143,266,023.11
  6. Step 6: Final answer
    x = 109,965,536.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.