Home / 312,848,207.86-432,088,840.89-206,035,009.97

Finding the Fourth Proportional to 312,848,207.86, 432,088,840.89 and 206,035,009.97

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Solution

The fourth proportional to 312,848,207.86, 432,088,840.89 and 206,035,009.97 is: 284,564,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,848,207.86 : 432,088,840.89 = 206,035,009.97 : x
  2. Step 2: Convert to fraction form
    312,848,207.86/432,088,840.89 = 206,035,009.97/x
  3. Step 3: Cross multiply
    312,848,207.86x = 432,088,840.89 × 206,035,009.97
  4. Step 4: Simplify right side
    312,848,207.86x = 89,025,428,637,763,824
  5. Step 5: Solve for x
    x = 89,025,428,637,763,824/312,848,207.86
  6. Step 6: Final answer
    x = 284,564,291.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.