Home / 121,280,821.80-181,929,105.90-63,885,193.80

Finding the Fourth Proportional to 121,280,821.80, 181,929,105.90 and 63,885,193.80

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Solution

The fourth proportional to 121,280,821.80, 181,929,105.90 and 63,885,193.80 is: 95,831,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280,821.80 : 181,929,105.90 = 63,885,193.80 : x
  2. Step 2: Convert to fraction form
    121,280,821.80/181,929,105.90 = 63,885,193.80/x
  3. Step 3: Cross multiply
    121,280,821.80x = 181,929,105.90 × 63,885,193.80
  4. Step 4: Simplify right side
    121,280,821.80x = 11,622,576,188,282,224
  5. Step 5: Solve for x
    x = 11,622,576,188,282,224/121,280,821.80
  6. Step 6: Final answer
    x = 95,831,937.94

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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.