Home / 88,139,195.64-121,635,043.74-48,982,622.76

Finding the Fourth Proportional to 88,139,195.64, 121,635,043.74 and 48,982,622.76

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Solution

The fourth proportional to 88,139,195.64, 121,635,043.74 and 48,982,622.76 is: 67,597,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139,195.64 : 121,635,043.74 = 48,982,622.76 : x
  2. Step 2: Convert to fraction form
    88,139,195.64/121,635,043.74 = 48,982,622.76/x
  3. Step 3: Cross multiply
    88,139,195.64x = 121,635,043.74 × 48,982,622.76
  4. Step 4: Simplify right side
    88,139,195.64x = 5,958,003,461,912,519
  5. Step 5: Solve for x
    x = 5,958,003,461,912,519/88,139,195.64
  6. Step 6: Final answer
    x = 67,597,660.93

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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.