Home / 121,111,732.80-181,451,086.20-73,701,946.80

Finding the Fourth Proportional to 121,111,732.80, 181,451,086.20 and 73,701,946.80

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Solution

The fourth proportional to 121,111,732.80, 181,451,086.20 and 73,701,946.80 is: 110,421,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,111,732.80 : 181,451,086.20 = 73,701,946.80 : x
  2. Step 2: Convert to fraction form
    121,111,732.80/181,451,086.20 = 73,701,946.80/x
  3. Step 3: Cross multiply
    121,111,732.80x = 181,451,086.20 × 73,701,946.80
  4. Step 4: Simplify right side
    121,111,732.80x = 13,373,298,301,914,612
  5. Step 5: Solve for x
    x = 13,373,298,301,914,612/121,111,732.80
  6. Step 6: Final answer
    x = 110,421,162.28

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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.