Home / 115,988,943.72-160,070,488.33-71,950,131.84

Finding the Fourth Proportional to 115,988,943.72, 160,070,488.33 and 71,950,131.84

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Solution

The fourth proportional to 115,988,943.72, 160,070,488.33 and 71,950,131.84 is: 99,294,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,988,943.72 : 160,070,488.33 = 71,950,131.84 : x
  2. Step 2: Convert to fraction form
    115,988,943.72/160,070,488.33 = 71,950,131.84/x
  3. Step 3: Cross multiply
    115,988,943.72x = 160,070,488.33 × 71,950,131.84
  4. Step 4: Simplify right side
    115,988,943.72x = 11,517,092,739,036,682
  5. Step 5: Solve for x
    x = 11,517,092,739,036,682/115,988,943.72
  6. Step 6: Final answer
    x = 99,294,746.29

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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.