Home / 148,254,899.27-204,591,407.85-81,273,738.42

Finding the Fourth Proportional to 148,254,899.27, 204,591,407.85 and 81,273,738.42

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Solution

The fourth proportional to 148,254,899.27, 204,591,407.85 and 81,273,738.42 is: 112,157,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,254,899.27 : 204,591,407.85 = 81,273,738.42 : x
  2. Step 2: Convert to fraction form
    148,254,899.27/204,591,407.85 = 81,273,738.42/x
  3. Step 3: Cross multiply
    148,254,899.27x = 204,591,407.85 × 81,273,738.42
  4. Step 4: Simplify right side
    148,254,899.27x = 16,627,908,564,580,434
  5. Step 5: Solve for x
    x = 16,627,908,564,580,434/148,254,899.27
  6. Step 6: Final answer
    x = 112,157,565.43

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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.