Home / 56,378,769.60-84,568,154.40-47,308,843.20

Finding the Fourth Proportional to 56,378,769.60, 84,568,154.40 and 47,308,843.20

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Solution

The fourth proportional to 56,378,769.60, 84,568,154.40 and 47,308,843.20 is: 70,963,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378,769.60 : 84,568,154.40 = 47,308,843.20 : x
  2. Step 2: Convert to fraction form
    56,378,769.60/84,568,154.40 = 47,308,843.20/x
  3. Step 3: Cross multiply
    56,378,769.60x = 84,568,154.40 × 47,308,843.20
  4. Step 4: Simplify right side
    56,378,769.60x = 4,000,821,556,222,990.50
  5. Step 5: Solve for x
    x = 4,000,821,556,222,990.50/56,378,769.60
  6. Step 6: Final answer
    x = 70,963,264.80

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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.