Home / 49,177,126.82-67,870,385.95-27,989,058.11

Finding the Fourth Proportional to 49,177,126.82, 67,870,385.95 and 27,989,058.11

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Solution

The fourth proportional to 49,177,126.82, 67,870,385.95 and 27,989,058.11 is: 38,628,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,177,126.82 : 67,870,385.95 = 27,989,058.11 : x
  2. Step 2: Convert to fraction form
    49,177,126.82/67,870,385.95 = 27,989,058.11/x
  3. Step 3: Cross multiply
    49,177,126.82x = 67,870,385.95 × 27,989,058.11
  4. Step 4: Simplify right side
    49,177,126.82x = 1,899,628,176,327,603.50
  5. Step 5: Solve for x
    x = 1,899,628,176,327,603.50/49,177,126.82
  6. Step 6: Final answer
    x = 38,628,287.15

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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.