Home / 313,096,878.37-432,078,895.92-171,981,146.98

Finding the Fourth Proportional to 313,096,878.37, 432,078,895.92 and 171,981,146.98

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Solution

The fourth proportional to 313,096,878.37, 432,078,895.92 and 171,981,146.98 is: 237,336,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,096,878.37 : 432,078,895.92 = 171,981,146.98 : x
  2. Step 2: Convert to fraction form
    313,096,878.37/432,078,895.92 = 171,981,146.98/x
  3. Step 3: Cross multiply
    313,096,878.37x = 432,078,895.92 × 171,981,146.98
  4. Step 4: Simplify right side
    313,096,878.37x = 74,309,424,106,173,648
  5. Step 5: Solve for x
    x = 74,309,424,106,173,648/313,096,878.37
  6. Step 6: Final answer
    x = 237,336,841.21

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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.