Home / 107,690,657.94-148,611,076.65-65,871,646.38

Finding the Fourth Proportional to 107,690,657.94, 148,611,076.65 and 65,871,646.38

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Solution

The fourth proportional to 107,690,657.94, 148,611,076.65 and 65,871,646.38 is: 90,901,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,690,657.94 : 148,611,076.65 = 65,871,646.38 : x
  2. Step 2: Convert to fraction form
    107,690,657.94/148,611,076.65 = 65,871,646.38/x
  3. Step 3: Cross multiply
    107,690,657.94x = 148,611,076.65 × 65,871,646.38
  4. Step 4: Simplify right side
    107,690,657.94x = 9,789,256,289,239,876
  5. Step 5: Solve for x
    x = 9,789,256,289,239,876/107,690,657.94
  6. Step 6: Final answer
    x = 90,901,629.51

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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.