Home / 143,632,576.61-215,479,127.56-46,580,716.65

Finding the Fourth Proportional to 143,632,576.61, 215,479,127.56 and 46,580,716.65

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Solution

The fourth proportional to 143,632,576.61, 215,479,127.56 and 46,580,716.65 is: 69,880,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,632,576.61 : 215,479,127.56 = 46,580,716.65 : x
  2. Step 2: Convert to fraction form
    143,632,576.61/215,479,127.56 = 46,580,716.65/x
  3. Step 3: Cross multiply
    143,632,576.61x = 215,479,127.56 × 46,580,716.65
  4. Step 4: Simplify right side
    143,632,576.61x = 10,037,172,184,861,566
  5. Step 5: Solve for x
    x = 10,037,172,184,861,566/143,632,576.61
  6. Step 6: Final answer
    x = 69,880,889.29

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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.