Home / 198,484,360.31-297,677,041.05-58,396,942.21

Finding the Fourth Proportional to 198,484,360.31, 297,677,041.05 and 58,396,942.21

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Solution

The fourth proportional to 198,484,360.31, 297,677,041.05 and 58,396,942.21 is: 87,580,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,484,360.31 : 297,677,041.05 = 58,396,942.21 : x
  2. Step 2: Convert to fraction form
    198,484,360.31/297,677,041.05 = 58,396,942.21/x
  3. Step 3: Cross multiply
    198,484,360.31x = 297,677,041.05 × 58,396,942.21
  4. Step 4: Simplify right side
    198,484,360.31x = 17,383,428,963,473,304
  5. Step 5: Solve for x
    x = 17,383,428,963,473,304/198,484,360.31
  6. Step 6: Final answer
    x = 87,580,849.88

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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.