Home / 85,220,535.42-127,849,747.41-39,757,529.34

Finding the Fourth Proportional to 85,220,535.42, 127,849,747.41 and 39,757,529.34

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Solution

The fourth proportional to 85,220,535.42, 127,849,747.41 and 39,757,529.34 is: 59,645,131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,220,535.42 : 127,849,747.41 = 39,757,529.34 : x
  2. Step 2: Convert to fraction form
    85,220,535.42/127,849,747.41 = 39,757,529.34/x
  3. Step 3: Cross multiply
    85,220,535.42x = 127,849,747.41 × 39,757,529.34
  4. Step 4: Simplify right side
    85,220,535.42x = 5,082,990,083,764,664
  5. Step 5: Solve for x
    x = 5,082,990,083,764,664/85,220,535.42
  6. Step 6: Final answer
    x = 59,645,131.99

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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.