Home / 137,133,906.48-189,235,474.56-75,258,230.76

Finding the Fourth Proportional to 137,133,906.48, 189,235,474.56 and 75,258,230.76

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Solution

The fourth proportional to 137,133,906.48, 189,235,474.56 and 75,258,230.76 is: 103,851,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,133,906.48 : 189,235,474.56 = 75,258,230.76 : x
  2. Step 2: Convert to fraction form
    137,133,906.48/189,235,474.56 = 75,258,230.76/x
  3. Step 3: Cross multiply
    137,133,906.48x = 189,235,474.56 × 75,258,230.76
  4. Step 4: Simplify right side
    137,133,906.48x = 14,241,527,012,414,590
  5. Step 5: Solve for x
    x = 14,241,527,012,414,590/137,133,906.48
  6. Step 6: Final answer
    x = 103,851,245.68

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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.