Home / 77,512,427.82-116,264,776.41-28,986,713.82

Finding the Fourth Proportional to 77,512,427.82, 116,264,776.41 and 28,986,713.82

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Solution

The fourth proportional to 77,512,427.82, 116,264,776.41 and 28,986,713.82 is: 43,478,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,512,427.82 : 116,264,776.41 = 28,986,713.82 : x
  2. Step 2: Convert to fraction form
    77,512,427.82/116,264,776.41 = 28,986,713.82/x
  3. Step 3: Cross multiply
    77,512,427.82x = 116,264,776.41 × 28,986,713.82
  4. Step 4: Simplify right side
    77,512,427.82x = 3,370,133,801,142,957
  5. Step 5: Solve for x
    x = 3,370,133,801,142,957/77,512,427.82
  6. Step 6: Final answer
    x = 43,478,625.25

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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.