Home / 231,281,631.72-319,169,169.54-133,496,409.96

Finding the Fourth Proportional to 231,281,631.72, 319,169,169.54 and 133,496,409.96

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Solution

The fourth proportional to 231,281,631.72, 319,169,169.54 and 133,496,409.96 is: 184,225,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,281,631.72 : 319,169,169.54 = 133,496,409.96 : x
  2. Step 2: Convert to fraction form
    231,281,631.72/319,169,169.54 = 133,496,409.96/x
  3. Step 3: Cross multiply
    231,281,631.72x = 319,169,169.54 × 133,496,409.96
  4. Step 4: Simplify right side
    231,281,631.72x = 42,607,938,303,504,584
  5. Step 5: Solve for x
    x = 42,607,938,303,504,584/231,281,631.72
  6. Step 6: Final answer
    x = 184,225,344.60

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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.