Home / 196,830,904.30-295,246,356.45-81,897,930.70

Finding the Fourth Proportional to 196,830,904.30, 295,246,356.45 and 81,897,930.70

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Solution

The fourth proportional to 196,830,904.30, 295,246,356.45 and 81,897,930.70 is: 122,846,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830,904.30 : 295,246,356.45 = 81,897,930.70 : x
  2. Step 2: Convert to fraction form
    196,830,904.30/295,246,356.45 = 81,897,930.70/x
  3. Step 3: Cross multiply
    196,830,904.30x = 295,246,356.45 × 81,897,930.70
  4. Step 4: Simplify right side
    196,830,904.30x = 24,180,065,639,969,596
  5. Step 5: Solve for x
    x = 24,180,065,639,969,596/196,830,904.30
  6. Step 6: Final answer
    x = 122,846,896.05

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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.