Home / 312,066,005.70-468,099,008.55-159,010,997.70

Finding the Fourth Proportional to 312,066,005.70, 468,099,008.55 and 159,010,997.70

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Solution

The fourth proportional to 312,066,005.70, 468,099,008.55 and 159,010,997.70 is: 238,516,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,066,005.70 : 468,099,008.55 = 159,010,997.70 : x
  2. Step 2: Convert to fraction form
    312,066,005.70/468,099,008.55 = 159,010,997.70/x
  3. Step 3: Cross multiply
    312,066,005.70x = 468,099,008.55 × 159,010,997.70
  4. Step 4: Simplify right side
    312,066,005.70x = 74,432,890,371,916,320
  5. Step 5: Solve for x
    x = 74,432,890,371,916,320/312,066,005.70
  6. Step 6: Final answer
    x = 238,516,496.55

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Similar ratio
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1.5x scale

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.