Home / 239,158,065.78-358,737,103.38-57,405,243.78

Finding the Fourth Proportional to 239,158,065.78, 358,737,103.38 and 57,405,243.78

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Solution

The fourth proportional to 239,158,065.78, 358,737,103.38 and 57,405,243.78 is: 86,107,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,158,065.78 : 358,737,103.38 = 57,405,243.78 : x
  2. Step 2: Convert to fraction form
    239,158,065.78/358,737,103.38 = 57,405,243.78/x
  3. Step 3: Cross multiply
    239,158,065.78x = 358,737,103.38 × 57,405,243.78
  4. Step 4: Simplify right side
    239,158,065.78x = 20,593,390,872,459,964
  5. Step 5: Solve for x
    x = 20,593,390,872,459,964/239,158,065.78
  6. Step 6: Final answer
    x = 86,107,866.80

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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.