Home / 143,357,571.92-215,036,367.67-57,156,513.11

Finding the Fourth Proportional to 143,357,571.92, 215,036,367.67 and 57,156,513.11

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Solution

The fourth proportional to 143,357,571.92, 215,036,367.67 and 57,156,513.11 is: 85,734,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,357,571.92 : 215,036,367.67 = 57,156,513.11 : x
  2. Step 2: Convert to fraction form
    143,357,571.92/215,036,367.67 = 57,156,513.11/x
  3. Step 3: Cross multiply
    143,357,571.92x = 215,036,367.67 × 57,156,513.11
  4. Step 4: Simplify right side
    143,357,571.92x = 12,290,728,968,869,364
  5. Step 5: Solve for x
    x = 12,290,728,968,869,364/143,357,571.92
  6. Step 6: Final answer
    x = 85,734,773.58

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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.