Home / 191,644,811.70-287,467,217.55-53,470,151.70

Finding the Fourth Proportional to 191,644,811.70, 287,467,217.55 and 53,470,151.70

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Solution

The fourth proportional to 191,644,811.70, 287,467,217.55 and 53,470,151.70 is: 80,205,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,644,811.70 : 287,467,217.55 = 53,470,151.70 : x
  2. Step 2: Convert to fraction form
    191,644,811.70/287,467,217.55 = 53,470,151.70/x
  3. Step 3: Cross multiply
    191,644,811.70x = 287,467,217.55 × 53,470,151.70
  4. Step 4: Simplify right side
    191,644,811.70x = 15,370,915,731,175,404
  5. Step 5: Solve for x
    x = 15,370,915,731,175,404/191,644,811.70
  6. Step 6: Final answer
    x = 80,205,227.55

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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.