Home / 115,988,955.41-160,070,504.47-71,950,143.44

Finding the Fourth Proportional to 115,988,955.41, 160,070,504.47 and 71,950,143.44

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Solution

The fourth proportional to 115,988,955.41, 160,070,504.47 and 71,950,143.44 is: 99,294,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,988,955.41 : 160,070,504.47 = 71,950,143.44 : x
  2. Step 2: Convert to fraction form
    115,988,955.41/160,070,504.47 = 71,950,143.44/x
  3. Step 3: Cross multiply
    115,988,955.41x = 160,070,504.47 × 71,950,143.44
  4. Step 4: Simplify right side
    115,988,955.41x = 11,517,095,757,349,962
  5. Step 5: Solve for x
    x = 11,517,095,757,349,962/115,988,955.41
  6. Step 6: Final answer
    x = 99,294,762.30

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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.