Home / 121,117,069.80-181,459,091.70-73,707,283.80

Finding the Fourth Proportional to 121,117,069.80, 181,459,091.70 and 73,707,283.80

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Solution

The fourth proportional to 121,117,069.80, 181,459,091.70 and 73,707,283.80 is: 110,429,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,117,069.80 : 181,459,091.70 = 73,707,283.80 : x
  2. Step 2: Convert to fraction form
    121,117,069.80/181,459,091.70 = 73,707,283.80/x
  3. Step 3: Cross multiply
    121,117,069.80x = 181,459,091.70 × 73,707,283.80
  4. Step 4: Simplify right side
    121,117,069.80x = 13,374,856,770,022,124
  5. Step 5: Solve for x
    x = 13,374,856,770,022,124/121,117,069.80
  6. Step 6: Final answer
    x = 110,429,164.05

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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.