Home / 231,824,010.70-347,736,016.05-214,306,237.90

Finding the Fourth Proportional to 231,824,010.70, 347,736,016.05 and 214,306,237.90

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Solution

The fourth proportional to 231,824,010.70, 347,736,016.05 and 214,306,237.90 is: 321,459,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,010.70 : 347,736,016.05 = 214,306,237.90 : x
  2. Step 2: Convert to fraction form
    231,824,010.70/347,736,016.05 = 214,306,237.90/x
  3. Step 3: Cross multiply
    231,824,010.70x = 347,736,016.05 × 214,306,237.90
  4. Step 4: Simplify right side
    231,824,010.70x = 74,521,997,382,009,520
  5. Step 5: Solve for x
    x = 74,521,997,382,009,520/231,824,010.70
  6. Step 6: Final answer
    x = 321,459,356.85

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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.