Home / 312,576,005.10-468,864,007.65-159,693,624.30

Finding the Fourth Proportional to 312,576,005.10, 468,864,007.65 and 159,693,624.30

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Solution

The fourth proportional to 312,576,005.10, 468,864,007.65 and 159,693,624.30 is: 239,540,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,576,005.10 : 468,864,007.65 = 159,693,624.30 : x
  2. Step 2: Convert to fraction form
    312,576,005.10/468,864,007.65 = 159,693,624.30/x
  3. Step 3: Cross multiply
    312,576,005.10x = 468,864,007.65 × 159,693,624.30
  4. Step 4: Simplify right side
    312,576,005.10x = 74,874,592,685,451,424
  5. Step 5: Solve for x
    x = 74,874,592,685,451,424/312,576,005.10
  6. Step 6: Final answer
    x = 239,540,436.45

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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.