Home / 31,689,072,481.25-43,731,968,783.07-17,416,406,007.11

Finding the Fourth Proportional to 31,689,072,481.25, 43,731,968,783.07 and 17,416,406,007.11

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Solution

The fourth proportional to 31,689,072,481.25, 43,731,968,783.07 and 17,416,406,007.11 is: 24,035,216,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,689,072,481.25 : 43,731,968,783.07 = 17,416,406,007.11 : x
  2. Step 2: Convert to fraction form
    31,689,072,481.25/43,731,968,783.07 = 17,416,406,007.11/x
  3. Step 3: Cross multiply
    31,689,072,481.25x = 43,731,968,783.07 × 17,416,406,007.11
  4. Step 4: Simplify right side
    31,689,072,481.25x = 761,653,723,816,207,319,040
  5. Step 5: Solve for x
    x = 761,653,723,816,207,319,040/31,689,072,481.25
  6. Step 6: Final answer
    x = 24,035,216,690.77

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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.