Home / 84,069,379.86-126,109,389.87-35,538,186.66

Finding the Fourth Proportional to 84,069,379.86, 126,109,389.87 and 35,538,186.66

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Solution

The fourth proportional to 84,069,379.86, 126,109,389.87 and 35,538,186.66 is: 53,309,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,069,379.86 : 126,109,389.87 = 35,538,186.66 : x
  2. Step 2: Convert to fraction form
    84,069,379.86/126,109,389.87 = 35,538,186.66/x
  3. Step 3: Cross multiply
    84,069,379.86x = 126,109,389.87 × 35,538,186.66
  4. Step 4: Simplify right side
    84,069,379.86x = 4,481,699,036,778,773
  5. Step 5: Solve for x
    x = 4,481,699,036,778,773/84,069,379.86
  6. Step 6: Final answer
    x = 53,309,528.92

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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.