Home / 149,413,618.40-224,120,427.60-91,718,808.80

Finding the Fourth Proportional to 149,413,618.40, 224,120,427.60 and 91,718,808.80

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Solution

The fourth proportional to 149,413,618.40, 224,120,427.60 and 91,718,808.80 is: 137,578,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,413,618.40 : 224,120,427.60 = 91,718,808.80 : x
  2. Step 2: Convert to fraction form
    149,413,618.40/224,120,427.60 = 91,718,808.80/x
  3. Step 3: Cross multiply
    149,413,618.40x = 224,120,427.60 × 91,718,808.80
  4. Step 4: Simplify right side
    149,413,618.40x = 20,556,058,647,218,640
  5. Step 5: Solve for x
    x = 20,556,058,647,218,640/149,413,618.40
  6. Step 6: Final answer
    x = 137,578,213.20

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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.