Home / 196,838,998.80-295,258,498.20-81,785,302.80

Finding the Fourth Proportional to 196,838,998.80, 295,258,498.20 and 81,785,302.80

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Solution

The fourth proportional to 196,838,998.80, 295,258,498.20 and 81,785,302.80 is: 122,677,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838,998.80 : 295,258,498.20 = 81,785,302.80 : x
  2. Step 2: Convert to fraction form
    196,838,998.80/295,258,498.20 = 81,785,302.80/x
  3. Step 3: Cross multiply
    196,838,998.80x = 295,258,498.20 × 81,785,302.80
  4. Step 4: Simplify right side
    196,838,998.80x = 24,147,805,679,560,252
  5. Step 5: Solve for x
    x = 24,147,805,679,560,252/196,838,998.80
  6. Step 6: Final answer
    x = 122,677,954.20

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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.