Home / 147,622,687.20-221,434,030.80-45,373,438.80

Finding the Fourth Proportional to 147,622,687.20, 221,434,030.80 and 45,373,438.80

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Solution

The fourth proportional to 147,622,687.20, 221,434,030.80 and 45,373,438.80 is: 68,060,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,687.20 : 221,434,030.80 = 45,373,438.80 : x
  2. Step 2: Convert to fraction form
    147,622,687.20/221,434,030.80 = 45,373,438.80/x
  3. Step 3: Cross multiply
    147,622,687.20x = 221,434,030.80 × 45,373,438.80
  4. Step 4: Simplify right side
    147,622,687.20x = 10,047,223,444,741,114
  5. Step 5: Solve for x
    x = 10,047,223,444,741,114/147,622,687.20
  6. Step 6: Final answer
    x = 68,060,158.20

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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.