Home / 151,802,741.04-209,485,242.36-82,187,556.72

Finding the Fourth Proportional to 151,802,741.04, 209,485,242.36 and 82,187,556.72

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Solution

The fourth proportional to 151,802,741.04, 209,485,242.36 and 82,187,556.72 is: 113,417,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,802,741.04 : 209,485,242.36 = 82,187,556.72 : x
  2. Step 2: Convert to fraction form
    151,802,741.04/209,485,242.36 = 82,187,556.72/x
  3. Step 3: Cross multiply
    151,802,741.04x = 209,485,242.36 × 82,187,556.72
  4. Step 4: Simplify right side
    151,802,741.04x = 17,217,080,238,465,448
  5. Step 5: Solve for x
    x = 17,217,080,238,465,448/151,802,741.04
  6. Step 6: Final answer
    x = 113,417,452.94

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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.