Home / 50,288,879.40-75,433,319.10-47,312,809.80

Finding the Fourth Proportional to 50,288,879.40, 75,433,319.10 and 47,312,809.80

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Solution

The fourth proportional to 50,288,879.40, 75,433,319.10 and 47,312,809.80 is: 70,969,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,288,879.40 : 75,433,319.10 = 47,312,809.80 : x
  2. Step 2: Convert to fraction form
    50,288,879.40/75,433,319.10 = 47,312,809.80/x
  3. Step 3: Cross multiply
    50,288,879.40x = 75,433,319.10 × 47,312,809.80
  4. Step 4: Simplify right side
    50,288,879.40x = 3,568,962,279,161,006.50
  5. Step 5: Solve for x
    x = 3,568,962,279,161,006.50/50,288,879.40
  6. Step 6: Final answer
    x = 70,969,214.70

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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.