Home / 185,756,450.40-278,633,691.45-47,581,790.40

Finding the Fourth Proportional to 185,756,450.40, 278,633,691.45 and 47,581,790.40

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Solution

The fourth proportional to 185,756,450.40, 278,633,691.45 and 47,581,790.40 is: 71,372,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756,450.40 : 278,633,691.45 = 47,581,790.40 : x
  2. Step 2: Convert to fraction form
    185,756,450.40/278,633,691.45 = 47,581,790.40/x
  3. Step 3: Cross multiply
    185,756,450.40x = 278,633,691.45 × 47,581,790.40
  4. Step 4: Simplify right side
    185,756,450.40x = 13,257,889,904,952,172
  5. Step 5: Solve for x
    x = 13,257,889,904,952,172/185,756,450.40
  6. Step 6: Final answer
    x = 71,372,433.51

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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.