Home / 87,312,167.33-120,460,366.22-55,967,501.34

Finding the Fourth Proportional to 87,312,167.33, 120,460,366.22 and 55,967,501.34

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Solution

The fourth proportional to 87,312,167.33, 120,460,366.22 and 55,967,501.34 is: 77,215,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,312,167.33 : 120,460,366.22 = 55,967,501.34 : x
  2. Step 2: Convert to fraction form
    87,312,167.33/120,460,366.22 = 55,967,501.34/x
  3. Step 3: Cross multiply
    87,312,167.33x = 120,460,366.22 × 55,967,501.34
  4. Step 4: Simplify right side
    87,312,167.33x = 6,741,865,707,554,904
  5. Step 5: Solve for x
    x = 6,741,865,707,554,904/87,312,167.33
  6. Step 6: Final answer
    x = 77,215,649.48

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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.