Home / 123,310,776.12-170,168,811.89-73,751,148.96

Finding the Fourth Proportional to 123,310,776.12, 170,168,811.89 and 73,751,148.96

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Solution

The fourth proportional to 123,310,776.12, 170,168,811.89 and 73,751,148.96 is: 101,776,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,310,776.12 : 170,168,811.89 = 73,751,148.96 : x
  2. Step 2: Convert to fraction form
    123,310,776.12/170,168,811.89 = 73,751,148.96/x
  3. Step 3: Cross multiply
    123,310,776.12x = 170,168,811.89 × 73,751,148.96
  4. Step 4: Simplify right side
    123,310,776.12x = 12,550,145,394,045,606
  5. Step 5: Solve for x
    x = 12,550,145,394,045,606/123,310,776.12
  6. Step 6: Final answer
    x = 101,776,550.18

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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.