Home / 143,734,144.53-215,601,192.17-45,434,855.93

Finding the Fourth Proportional to 143,734,144.53, 215,601,192.17 and 45,434,855.93

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Solution

The fourth proportional to 143,734,144.53, 215,601,192.17 and 45,434,855.93 is: 68,152,276.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,734,144.53 : 215,601,192.17 = 45,434,855.93 : x
  2. Step 2: Convert to fraction form
    143,734,144.53/215,601,192.17 = 45,434,855.93/x
  3. Step 3: Cross multiply
    143,734,144.53x = 215,601,192.17 × 45,434,855.93
  4. Step 4: Simplify right side
    143,734,144.53x = 9,795,809,103,275,012
  5. Step 5: Solve for x
    x = 9,795,809,103,275,012/143,734,144.53
  6. Step 6: Final answer
    x = 68,152,276.10

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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.