Home / 168,000,478.20-251,801,651.70-70,955,998.20

Finding the Fourth Proportional to 168,000,478.20, 251,801,651.70 and 70,955,998.20

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Solution

The fourth proportional to 168,000,478.20, 251,801,651.70 and 70,955,998.20 is: 106,349,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000,478.20 : 251,801,651.70 = 70,955,998.20 : x
  2. Step 2: Convert to fraction form
    168,000,478.20/251,801,651.70 = 70,955,998.20/x
  3. Step 3: Cross multiply
    168,000,478.20x = 251,801,651.70 × 70,955,998.20
  4. Step 4: Simplify right side
    168,000,478.20x = 17,866,837,544,782,226
  5. Step 5: Solve for x
    x = 17,866,837,544,782,226/168,000,478.20
  6. Step 6: Final answer
    x = 106,349,920.76

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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.