Home / 147,253,606.48-203,211,378.39-81,176,474.67

Finding the Fourth Proportional to 147,253,606.48, 203,211,378.39 and 81,176,474.67

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Solution

The fourth proportional to 147,253,606.48, 203,211,378.39 and 81,176,474.67 is: 112,024,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,253,606.48 : 203,211,378.39 = 81,176,474.67 : x
  2. Step 2: Convert to fraction form
    147,253,606.48/203,211,378.39 = 81,176,474.67/x
  3. Step 3: Cross multiply
    147,253,606.48x = 203,211,378.39 × 81,176,474.67
  4. Step 4: Simplify right side
    147,253,606.48x = 16,495,983,311,217,204
  5. Step 5: Solve for x
    x = 16,495,983,311,217,204/147,253,606.48
  6. Step 6: Final answer
    x = 112,024,307.62

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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.