Home / 67,721,743.16-101,609,531.14-21,670,707.48

Finding the Fourth Proportional to 67,721,743.16, 101,609,531.14 and 21,670,707.48

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Solution

The fourth proportional to 67,721,743.16, 101,609,531.14 and 21,670,707.48 is: 32,514,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,721,743.16 : 101,609,531.14 = 21,670,707.48 : x
  2. Step 2: Convert to fraction form
    67,721,743.16/101,609,531.14 = 21,670,707.48/x
  3. Step 3: Cross multiply
    67,721,743.16x = 101,609,531.14 × 21,670,707.48
  4. Step 4: Simplify right side
    67,721,743.16x = 2,201,950,426,514,891
  5. Step 5: Solve for x
    x = 2,201,950,426,514,891/67,721,743.16
  6. Step 6: Final answer
    x = 32,514,674.37

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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.