Home / 108,670,857.70-163,006,286.55-97,921,315.30

Finding the Fourth Proportional to 108,670,857.70, 163,006,286.55 and 97,921,315.30

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Solution

The fourth proportional to 108,670,857.70, 163,006,286.55 and 97,921,315.30 is: 146,881,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,670,857.70 : 163,006,286.55 = 97,921,315.30 : x
  2. Step 2: Convert to fraction form
    108,670,857.70/163,006,286.55 = 97,921,315.30/x
  3. Step 3: Cross multiply
    108,670,857.70x = 163,006,286.55 × 97,921,315.30
  4. Step 4: Simplify right side
    108,670,857.70x = 15,961,789,981,144,700
  5. Step 5: Solve for x
    x = 15,961,789,981,144,700/108,670,857.70
  6. Step 6: Final answer
    x = 146,881,972.95

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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.