Home / 121,006,436.52-166,988,882.70-66,002,293.02

Finding the Fourth Proportional to 121,006,436.52, 166,988,882.70 and 66,002,293.02

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Solution

The fourth proportional to 121,006,436.52, 166,988,882.70 and 66,002,293.02 is: 91,083,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,006,436.52 : 166,988,882.70 = 66,002,293.02 : x
  2. Step 2: Convert to fraction form
    121,006,436.52/166,988,882.70 = 66,002,293.02/x
  3. Step 3: Cross multiply
    121,006,436.52x = 166,988,882.70 × 66,002,293.02
  4. Step 4: Simplify right side
    121,006,436.52x = 11,021,649,167,047,808
  5. Step 5: Solve for x
    x = 11,021,649,167,047,808/121,006,436.52
  6. Step 6: Final answer
    x = 91,083,164.53

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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.