Home / 159,966,345.81-220,691,058.22-92,974,172.75

Finding the Fourth Proportional to 159,966,345.81, 220,691,058.22 and 92,974,172.75

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Solution

The fourth proportional to 159,966,345.81, 220,691,058.22 and 92,974,172.75 is: 128,268,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,966,345.81 : 220,691,058.22 = 92,974,172.75 : x
  2. Step 2: Convert to fraction form
    159,966,345.81/220,691,058.22 = 92,974,172.75/x
  3. Step 3: Cross multiply
    159,966,345.81x = 220,691,058.22 × 92,974,172.75
  4. Step 4: Simplify right side
    159,966,345.81x = 20,518,568,571,326,588
  5. Step 5: Solve for x
    x = 20,518,568,571,326,588/159,966,345.81
  6. Step 6: Final answer
    x = 128,268,033.30

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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.