Home / 139,711,631,201.10-209,567,446,801.65-51,361,478,138.70

Finding the Fourth Proportional to 139,711,631,201.10, 209,567,446,801.65 and 51,361,478,138.70

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Solution

The fourth proportional to 139,711,631,201.10, 209,567,446,801.65 and 51,361,478,138.70 is: 77,042,217,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,631,201.10 : 209,567,446,801.65 = 51,361,478,138.70 : x
  2. Step 2: Convert to fraction form
    139,711,631,201.10/209,567,446,801.65 = 51,361,478,138.70/x
  3. Step 3: Cross multiply
    139,711,631,201.10x = 209,567,446,801.65 × 51,361,478,138.70
  4. Step 4: Simplify right side
    139,711,631,201.10x = 10,763,693,837,486,120,763,392
  5. Step 5: Solve for x
    x = 10,763,693,837,486,120,763,392/139,711,631,201.10
  6. Step 6: Final answer
    x = 77,042,217,208.05

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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.