Home / 213,309,420,935.58-319,740,152,935.50-71,769,703,759.83

Finding the Fourth Proportional to 213,309,420,935.58, 319,740,152,935.50 and 71,769,703,759.83

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Solution

The fourth proportional to 213,309,420,935.58, 319,740,152,935.50 and 71,769,703,759.83 is: 107,579,196,247.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,309,420,935.58 : 319,740,152,935.50 = 71,769,703,759.83 : x
  2. Step 2: Convert to fraction form
    213,309,420,935.58/319,740,152,935.50 = 71,769,703,759.83/x
  3. Step 3: Cross multiply
    213,309,420,935.58x = 319,740,152,935.50 × 71,769,703,759.83
  4. Step 4: Simplify right side
    213,309,420,935.58x = 22,947,656,056,303,572,221,952
  5. Step 5: Solve for x
    x = 22,947,656,056,303,572,221,952/213,309,420,935.58
  6. Step 6: Final answer
    x = 107,579,196,247.66

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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.