Home / 239,158,139.49-358,737,213.42-57,405,317.49

Finding the Fourth Proportional to 239,158,139.49, 358,737,213.42 and 57,405,317.49

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Solution

The fourth proportional to 239,158,139.49, 358,737,213.42 and 57,405,317.49 is: 86,107,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,158,139.49 : 358,737,213.42 = 57,405,317.49 : x
  2. Step 2: Convert to fraction form
    239,158,139.49/358,737,213.42 = 57,405,317.49/x
  3. Step 3: Cross multiply
    239,158,139.49x = 358,737,213.42 × 57,405,317.49
  4. Step 4: Simplify right side
    239,158,139.49x = 20,593,423,631,852,992
  5. Step 5: Solve for x
    x = 20,593,423,631,852,992/239,158,139.49
  6. Step 6: Final answer
    x = 86,107,977.24

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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.