Home / 147,613,644.80-221,420,467.20-70,918,179.20

Finding the Fourth Proportional to 147,613,644.80, 221,420,467.20 and 70,918,179.20

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Solution

The fourth proportional to 147,613,644.80, 221,420,467.20 and 70,918,179.20 is: 106,377,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613,644.80 : 221,420,467.20 = 70,918,179.20 : x
  2. Step 2: Convert to fraction form
    147,613,644.80/221,420,467.20 = 70,918,179.20/x
  3. Step 3: Cross multiply
    147,613,644.80x = 221,420,467.20 × 70,918,179.20
  4. Step 4: Simplify right side
    147,613,644.80x = 15,702,736,371,437,322
  5. Step 5: Solve for x
    x = 15,702,736,371,437,322/147,613,644.80
  6. Step 6: Final answer
    x = 106,377,268.80

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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.