Home / 185,429,331.60-278,143,997.40-116,900,998.80

Finding the Fourth Proportional to 185,429,331.60, 278,143,997.40 and 116,900,998.80

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Solution

The fourth proportional to 185,429,331.60, 278,143,997.40 and 116,900,998.80 is: 175,351,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429,331.60 : 278,143,997.40 = 116,900,998.80 : x
  2. Step 2: Convert to fraction form
    185,429,331.60/278,143,997.40 = 116,900,998.80/x
  3. Step 3: Cross multiply
    185,429,331.60x = 278,143,997.40 × 116,900,998.80
  4. Step 4: Simplify right side
    185,429,331.60x = 32,515,311,106,284,600
  5. Step 5: Solve for x
    x = 32,515,311,106,284,600/185,429,331.60
  6. Step 6: Final answer
    x = 175,351,498.20

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1.5x scale

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.