Home / 166,005,854.30-249,008,781.45-97,131,100.70

Finding the Fourth Proportional to 166,005,854.30, 249,008,781.45 and 97,131,100.70

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Solution

The fourth proportional to 166,005,854.30, 249,008,781.45 and 97,131,100.70 is: 145,696,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005,854.30 : 249,008,781.45 = 97,131,100.70 : x
  2. Step 2: Convert to fraction form
    166,005,854.30/249,008,781.45 = 97,131,100.70/x
  3. Step 3: Cross multiply
    166,005,854.30x = 249,008,781.45 × 97,131,100.70
  4. Step 4: Simplify right side
    166,005,854.30x = 24,186,497,026,204,240
  5. Step 5: Solve for x
    x = 24,186,497,026,204,240/166,005,854.30
  6. Step 6: Final answer
    x = 145,696,651.05

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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.