Home / 151,646,338.62-209,271,708.27-82,031,504.22

Finding the Fourth Proportional to 151,646,338.62, 209,271,708.27 and 82,031,504.22

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Solution

The fourth proportional to 151,646,338.62, 209,271,708.27 and 82,031,504.22 is: 113,203,346.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,646,338.62 : 209,271,708.27 = 82,031,504.22 : x
  2. Step 2: Convert to fraction form
    151,646,338.62/209,271,708.27 = 82,031,504.22/x
  3. Step 3: Cross multiply
    151,646,338.62x = 209,271,708.27 × 82,031,504.22
  4. Step 4: Simplify right side
    151,646,338.62x = 17,166,873,020,077,114
  5. Step 5: Solve for x
    x = 17,166,873,020,077,114/151,646,338.62
  6. Step 6: Final answer
    x = 113,203,346.53

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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.