Home / 312,718,283.75-431,589,504.49-180,559,058.38

Finding the Fourth Proportional to 312,718,283.75, 431,589,504.49 and 180,559,058.38

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Solution

The fourth proportional to 312,718,283.75, 431,589,504.49 and 180,559,058.38 is: 249,193,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,718,283.75 : 431,589,504.49 = 180,559,058.38 : x
  2. Step 2: Convert to fraction form
    312,718,283.75/431,589,504.49 = 180,559,058.38/x
  3. Step 3: Cross multiply
    312,718,283.75x = 431,589,504.49 × 180,559,058.38
  4. Step 4: Simplify right side
    312,718,283.75x = 77,927,394,535,871,200
  5. Step 5: Solve for x
    x = 77,927,394,535,871,200/312,718,283.75
  6. Step 6: Final answer
    x = 249,193,598.79

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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.