Home / 147,743,145.30-221,614,717.95-45,493,896.90

Finding the Fourth Proportional to 147,743,145.30, 221,614,717.95 and 45,493,896.90

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Solution

The fourth proportional to 147,743,145.30, 221,614,717.95 and 45,493,896.90 is: 68,240,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,145.30 : 221,614,717.95 = 45,493,896.90 : x
  2. Step 2: Convert to fraction form
    147,743,145.30/221,614,717.95 = 45,493,896.90/x
  3. Step 3: Cross multiply
    147,743,145.30x = 221,614,717.95 × 45,493,896.90
  4. Step 4: Simplify right side
    147,743,145.30x = 10,082,117,129,939,878
  5. Step 5: Solve for x
    x = 10,082,117,129,939,878/147,743,145.30
  6. Step 6: Final answer
    x = 68,240,845.35

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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.