Home / 121,280,822.80-181,929,107.40-63,885,194.80

Finding the Fourth Proportional to 121,280,822.80, 181,929,107.40 and 63,885,194.80

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Solution

The fourth proportional to 121,280,822.80, 181,929,107.40 and 63,885,194.80 is: 95,831,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280,822.80 : 181,929,107.40 = 63,885,194.80 : x
  2. Step 2: Convert to fraction form
    121,280,822.80/181,929,107.40 = 63,885,194.80/x
  3. Step 3: Cross multiply
    121,280,822.80x = 181,929,107.40 × 63,885,194.80
  4. Step 4: Simplify right side
    121,280,822.80x = 11,622,576,466,039,122
  5. Step 5: Solve for x
    x = 11,622,576,466,039,122/121,280,822.80
  6. Step 6: Final answer
    x = 95,831,939.44

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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.