Home / 121,006,435.52-166,988,881.32-66,002,292.02

Finding the Fourth Proportional to 121,006,435.52, 166,988,881.32 and 66,002,292.02

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Solution

The fourth proportional to 121,006,435.52, 166,988,881.32 and 66,002,292.02 is: 91,083,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,006,435.52 : 166,988,881.32 = 66,002,292.02 : x
  2. Step 2: Convert to fraction form
    121,006,435.52/166,988,881.32 = 66,002,292.02/x
  3. Step 3: Cross multiply
    121,006,435.52x = 166,988,881.32 × 66,002,292.02
  4. Step 4: Simplify right side
    121,006,435.52x = 11,021,648,908,975,764
  5. Step 5: Solve for x
    x = 11,021,648,908,975,764/121,006,435.52
  6. Step 6: Final answer
    x = 91,083,163.15

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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.