Home / 245,862,890.42-339,310,136.70-140,020,786.17

Finding the Fourth Proportional to 245,862,890.42, 339,310,136.70 and 140,020,786.17

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Solution

The fourth proportional to 245,862,890.42, 339,310,136.70 and 140,020,786.17 is: 193,239,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862,890.42 : 339,310,136.70 = 140,020,786.17 : x
  2. Step 2: Convert to fraction form
    245,862,890.42/339,310,136.70 = 140,020,786.17/x
  3. Step 3: Cross multiply
    245,862,890.42x = 339,310,136.70 × 140,020,786.17
  4. Step 4: Simplify right side
    245,862,890.42x = 47,510,472,096,184,160
  5. Step 5: Solve for x
    x = 47,510,472,096,184,160/245,862,890.42
  6. Step 6: Final answer
    x = 193,239,703.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.