Home / 147,431,172.30-221,146,758.45-144,561,390.90

Finding the Fourth Proportional to 147,431,172.30, 221,146,758.45 and 144,561,390.90

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Solution

The fourth proportional to 147,431,172.30, 221,146,758.45 and 144,561,390.90 is: 216,842,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431,172.30 : 221,146,758.45 = 144,561,390.90 : x
  2. Step 2: Convert to fraction form
    147,431,172.30/221,146,758.45 = 144,561,390.90/x
  3. Step 3: Cross multiply
    147,431,172.30x = 221,146,758.45 × 144,561,390.90
  4. Step 4: Simplify right side
    147,431,172.30x = 31,969,282,994,558,328
  5. Step 5: Solve for x
    x = 31,969,282,994,558,328/147,431,172.30
  6. Step 6: Final answer
    x = 216,842,086.35

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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.