Home / 67,790,407.36-101,695,191.27-21,721,505.08

Finding the Fourth Proportional to 67,790,407.36, 101,695,191.27 and 21,721,505.08

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Solution

The fourth proportional to 67,790,407.36, 101,695,191.27 and 21,721,505.08 is: 32,585,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,790,407.36 : 101,695,191.27 = 21,721,505.08 : x
  2. Step 2: Convert to fraction form
    67,790,407.36/101,695,191.27 = 21,721,505.08/x
  3. Step 3: Cross multiply
    67,790,407.36x = 101,695,191.27 × 21,721,505.08
  4. Step 4: Simplify right side
    67,790,407.36x = 2,208,972,613,782,876.50
  5. Step 5: Solve for x
    x = 2,208,972,613,782,876.50/67,790,407.36
  6. Step 6: Final answer
    x = 32,585,327.33

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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.