Home / 213,151,520.80-319,727,281.20-51,593,456.80

Finding the Fourth Proportional to 213,151,520.80, 319,727,281.20 and 51,593,456.80

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Solution

The fourth proportional to 213,151,520.80, 319,727,281.20 and 51,593,456.80 is: 77,390,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,151,520.80 : 319,727,281.20 = 51,593,456.80 : x
  2. Step 2: Convert to fraction form
    213,151,520.80/319,727,281.20 = 51,593,456.80/x
  3. Step 3: Cross multiply
    213,151,520.80x = 319,727,281.20 × 51,593,456.80
  4. Step 4: Simplify right side
    213,151,520.80x = 16,495,835,670,373,650
  5. Step 5: Solve for x
    x = 16,495,835,670,373,650/213,151,520.80
  6. Step 6: Final answer
    x = 77,390,185.20

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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.