Home / 168,069,347.01-231,935,910.71-92,713,971.06

Finding the Fourth Proportional to 168,069,347.01, 231,935,910.71 and 92,713,971.06

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Solution

The fourth proportional to 168,069,347.01, 231,935,910.71 and 92,713,971.06 is: 127,945,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,069,347.01 : 231,935,910.71 = 92,713,971.06 : x
  2. Step 2: Convert to fraction form
    168,069,347.01/231,935,910.71 = 92,713,971.06/x
  3. Step 3: Cross multiply
    168,069,347.01x = 231,935,910.71 × 92,713,971.06
  4. Step 4: Simplify right side
    168,069,347.01x = 21,503,699,312,878,116
  5. Step 5: Solve for x
    x = 21,503,699,312,878,116/168,069,347.01
  6. Step 6: Final answer
    x = 127,945,396.92

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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.