Home / 121,006,550.84-166,989,040.46-66,002,407.36

Finding the Fourth Proportional to 121,006,550.84, 166,989,040.46 and 66,002,407.36

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Solution

The fourth proportional to 121,006,550.84, 166,989,040.46 and 66,002,407.36 is: 91,083,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,006,550.84 : 166,989,040.46 = 66,002,407.36 : x
  2. Step 2: Convert to fraction form
    121,006,550.84/166,989,040.46 = 66,002,407.36/x
  3. Step 3: Cross multiply
    121,006,550.84x = 166,989,040.46 × 66,002,407.36
  4. Step 4: Simplify right side
    121,006,550.84x = 11,021,678,673,096,442
  5. Step 5: Solve for x
    x = 11,021,678,673,096,442/121,006,550.84
  6. Step 6: Final answer
    x = 91,083,322.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.