Home / 139,711,392,023.80-209,567,088,035.70-55,823,642,750.20

Finding the Fourth Proportional to 139,711,392,023.80, 209,567,088,035.70 and 55,823,642,750.20

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Solution

The fourth proportional to 139,711,392,023.80, 209,567,088,035.70 and 55,823,642,750.20 is: 83,735,464,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,392,023.80 : 209,567,088,035.70 = 55,823,642,750.20 : x
  2. Step 2: Convert to fraction form
    139,711,392,023.80/209,567,088,035.70 = 55,823,642,750.20/x
  3. Step 3: Cross multiply
    139,711,392,023.80x = 209,567,088,035.70 × 55,823,642,750.20
  4. Step 4: Simplify right side
    139,711,392,023.80x = 11,698,798,254,704,629,383,168
  5. Step 5: Solve for x
    x = 11,698,798,254,704,629,383,168/139,711,392,023.80
  6. Step 6: Final answer
    x = 83,735,464,125.30

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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.