Home / 138,973,601.92-208,492,427.76-48,097,190.56

Finding the Fourth Proportional to 138,973,601.92, 208,492,427.76 and 48,097,190.56

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Solution

The fourth proportional to 138,973,601.92, 208,492,427.76 and 48,097,190.56 is: 72,156,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,973,601.92 : 208,492,427.76 = 48,097,190.56 : x
  2. Step 2: Convert to fraction form
    138,973,601.92/208,492,427.76 = 48,097,190.56/x
  3. Step 3: Cross multiply
    138,973,601.92x = 208,492,427.76 × 48,097,190.56
  4. Step 4: Simplify right side
    138,973,601.92x = 10,027,900,028,289,754
  5. Step 5: Solve for x
    x = 10,027,900,028,289,754/138,973,601.92
  6. Step 6: Final answer
    x = 72,156,869.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.