Home / 195,977,141.80-293,965,712.70-66,730,690.60

Finding the Fourth Proportional to 195,977,141.80, 293,965,712.70 and 66,730,690.60

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Solution

The fourth proportional to 195,977,141.80, 293,965,712.70 and 66,730,690.60 is: 100,096,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,977,141.80 : 293,965,712.70 = 66,730,690.60 : x
  2. Step 2: Convert to fraction form
    195,977,141.80/293,965,712.70 = 66,730,690.60/x
  3. Step 3: Cross multiply
    195,977,141.80x = 293,965,712.70 × 66,730,690.60
  4. Step 4: Simplify right side
    195,977,141.80x = 19,616,535,021,192,192
  5. Step 5: Solve for x
    x = 19,616,535,021,192,192/195,977,141.80
  6. Step 6: Final answer
    x = 100,096,035.90

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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.