Home / 136,973,905.92-189,023,944.68-75,092,915.88

Finding the Fourth Proportional to 136,973,905.92, 189,023,944.68 and 75,092,915.88

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Solution

The fourth proportional to 136,973,905.92, 189,023,944.68 and 75,092,915.88 is: 103,628,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,973,905.92 : 189,023,944.68 = 75,092,915.88 : x
  2. Step 2: Convert to fraction form
    136,973,905.92/189,023,944.68 = 75,092,915.88/x
  3. Step 3: Cross multiply
    136,973,905.92x = 189,023,944.68 × 75,092,915.88
  4. Step 4: Simplify right side
    136,973,905.92x = 14,194,359,177,161,014
  5. Step 5: Solve for x
    x = 14,194,359,177,161,014/136,973,905.92
  6. Step 6: Final answer
    x = 103,628,198.98

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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.