Home / 331,745,933.08-497,617,123.26-86,102,388.28

Finding the Fourth Proportional to 331,745,933.08, 497,617,123.26 and 86,102,388.28

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Solution

The fourth proportional to 331,745,933.08, 497,617,123.26 and 86,102,388.28 is: 129,153,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,745,933.08 : 497,617,123.26 = 86,102,388.28 : x
  2. Step 2: Convert to fraction form
    331,745,933.08/497,617,123.26 = 86,102,388.28/x
  3. Step 3: Cross multiply
    331,745,933.08x = 497,617,123.26 × 86,102,388.28
  4. Step 4: Simplify right side
    331,745,933.08x = 42,846,022,761,709,136
  5. Step 5: Solve for x
    x = 42,846,022,761,709,136/331,745,933.08
  6. Step 6: Final answer
    x = 129,153,121.38

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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.