Home / 196,027,712.80-294,041,569.20-80,974,016.80

Finding the Fourth Proportional to 196,027,712.80, 294,041,569.20 and 80,974,016.80

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Solution

The fourth proportional to 196,027,712.80, 294,041,569.20 and 80,974,016.80 is: 121,461,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,027,712.80 : 294,041,569.20 = 80,974,016.80 : x
  2. Step 2: Convert to fraction form
    196,027,712.80/294,041,569.20 = 80,974,016.80/x
  3. Step 3: Cross multiply
    196,027,712.80x = 294,041,569.20 × 80,974,016.80
  4. Step 4: Simplify right side
    196,027,712.80x = 23,809,726,964,299,160
  5. Step 5: Solve for x
    x = 23,809,726,964,299,160/196,027,712.80
  6. Step 6: Final answer
    x = 121,461,025.20

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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.