Home / 312,066,007.20-468,099,010.80-159,010,999.20

Finding the Fourth Proportional to 312,066,007.20, 468,099,010.80 and 159,010,999.20

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Solution

The fourth proportional to 312,066,007.20, 468,099,010.80 and 159,010,999.20 is: 238,516,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,066,007.20 : 468,099,010.80 = 159,010,999.20 : x
  2. Step 2: Convert to fraction form
    312,066,007.20/468,099,010.80 = 159,010,999.20/x
  3. Step 3: Cross multiply
    312,066,007.20x = 468,099,010.80 × 159,010,999.20
  4. Step 4: Simplify right side
    312,066,007.20x = 74,432,891,431,839,584
  5. Step 5: Solve for x
    x = 74,432,891,431,839,584/312,066,007.20
  6. Step 6: Final answer
    x = 238,516,498.80

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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.