Home / 319,783,347.72-479,602,505.96-144,790,860.12

Finding the Fourth Proportional to 319,783,347.72, 479,602,505.96 and 144,790,860.12

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Solution

The fourth proportional to 319,783,347.72, 479,602,505.96 and 144,790,860.12 is: 217,153,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783,347.72 : 479,602,505.96 = 144,790,860.12 : x
  2. Step 2: Convert to fraction form
    319,783,347.72/479,602,505.96 = 144,790,860.12/x
  3. Step 3: Cross multiply
    319,783,347.72x = 479,602,505.96 × 144,790,860.12
  4. Step 4: Simplify right side
    319,783,347.72x = 69,442,059,353,655,824
  5. Step 5: Solve for x
    x = 69,442,059,353,655,824/319,783,347.72
  6. Step 6: Final answer
    x = 217,153,456.70

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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.