Home / 213,309,420,945.60-319,740,152,950.48-71,769,703,769.88

Finding the Fourth Proportional to 213,309,420,945.60, 319,740,152,950.48 and 71,769,703,769.88

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Solution

The fourth proportional to 213,309,420,945.60, 319,740,152,950.48 and 71,769,703,769.88 is: 107,579,196,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,309,420,945.60 : 319,740,152,950.48 = 71,769,703,769.88 : x
  2. Step 2: Convert to fraction form
    213,309,420,945.60/319,740,152,950.48 = 71,769,703,769.88/x
  3. Step 3: Cross multiply
    213,309,420,945.60x = 319,740,152,950.48 × 71,769,703,769.88
  4. Step 4: Simplify right side
    213,309,420,945.60x = 22,947,656,060,592,071,901,184
  5. Step 5: Solve for x
    x = 22,947,656,060,592,071,901,184/213,309,420,945.60
  6. Step 6: Final answer
    x = 107,579,196,262.71

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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.