Home / 139,711,392,010.80-209,567,088,016.20-55,823,642,737.20

Finding the Fourth Proportional to 139,711,392,010.80, 209,567,088,016.20 and 55,823,642,737.20

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Solution

The fourth proportional to 139,711,392,010.80, 209,567,088,016.20 and 55,823,642,737.20 is: 83,735,464,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,711,392,010.80 : 209,567,088,016.20 = 55,823,642,737.20 : x
  2. Step 2: Convert to fraction form
    139,711,392,010.80/209,567,088,016.20 = 55,823,642,737.20/x
  3. Step 3: Cross multiply
    139,711,392,010.80x = 209,567,088,016.20 × 55,823,642,737.20
  4. Step 4: Simplify right side
    139,711,392,010.80x = 11,698,798,250,891,696,668,672
  5. Step 5: Solve for x
    x = 11,698,798,250,891,696,668,672/139,711,392,010.80
  6. Step 6: Final answer
    x = 83,735,464,105.80

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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.