Home / 147,519,601.20-221,279,401.80-70,992,097.20

Finding the Fourth Proportional to 147,519,601.20, 221,279,401.80 and 70,992,097.20

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Solution

The fourth proportional to 147,519,601.20, 221,279,401.80 and 70,992,097.20 is: 106,488,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,519,601.20 : 221,279,401.80 = 70,992,097.20 : x
  2. Step 2: Convert to fraction form
    147,519,601.20/221,279,401.80 = 70,992,097.20/x
  3. Step 3: Cross multiply
    147,519,601.20x = 221,279,401.80 × 70,992,097.20
  4. Step 4: Simplify right side
    147,519,601.20x = 15,709,088,800,943,456
  5. Step 5: Solve for x
    x = 15,709,088,800,943,456/147,519,601.20
  6. Step 6: Final answer
    x = 106,488,145.80

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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.