Home / 121,003,751.80-181,289,114.70-73,593,965.80

Finding the Fourth Proportional to 121,003,751.80, 181,289,114.70 and 73,593,965.80

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Solution

The fourth proportional to 121,003,751.80, 181,289,114.70 and 73,593,965.80 is: 110,259,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003,751.80 : 181,289,114.70 = 73,593,965.80 : x
  2. Step 2: Convert to fraction form
    121,003,751.80/181,289,114.70 = 73,593,965.80/x
  3. Step 3: Cross multiply
    121,003,751.80x = 181,289,114.70 × 73,593,965.80
  4. Step 4: Simplify right side
    121,003,751.80x = 13,341,784,907,144,076
  5. Step 5: Solve for x
    x = 13,341,784,907,144,076/121,003,751.80
  6. Step 6: Final answer
    x = 110,259,266.42

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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.