Home / 269,586,483.21-404,302,586.90-87,849,543.69

Finding the Fourth Proportional to 269,586,483.21, 404,302,586.90 and 87,849,543.69

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Solution

The fourth proportional to 269,586,483.21, 404,302,586.90 and 87,849,543.69 is: 131,749,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,586,483.21 : 404,302,586.90 = 87,849,543.69 : x
  2. Step 2: Convert to fraction form
    269,586,483.21/404,302,586.90 = 87,849,543.69/x
  3. Step 3: Cross multiply
    269,586,483.21x = 404,302,586.90 × 87,849,543.69
  4. Step 4: Simplify right side
    269,586,483.21x = 35,517,797,771,412,320
  5. Step 5: Solve for x
    x = 35,517,797,771,412,320/269,586,483.21
  6. Step 6: Final answer
    x = 131,749,178.77

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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.