Home / 88,139,205.64-121,635,057.54-48,982,632.76

Finding the Fourth Proportional to 88,139,205.64, 121,635,057.54 and 48,982,632.76

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Solution

The fourth proportional to 88,139,205.64, 121,635,057.54 and 48,982,632.76 is: 67,597,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139,205.64 : 121,635,057.54 = 48,982,632.76 : x
  2. Step 2: Convert to fraction form
    88,139,205.64/121,635,057.54 = 48,982,632.76/x
  3. Step 3: Cross multiply
    88,139,205.64x = 121,635,057.54 × 48,982,632.76
  4. Step 4: Simplify right side
    88,139,205.64x = 5,958,005,354,223,289
  5. Step 5: Solve for x
    x = 5,958,005,354,223,289/88,139,205.64
  6. Step 6: Final answer
    x = 67,597,674.73

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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.