Home / 198,194,390.01-297,294,574.82-68,806,110.95

Finding the Fourth Proportional to 198,194,390.01, 297,294,574.82 and 68,806,110.95

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Solution

The fourth proportional to 198,194,390.01, 297,294,574.82 and 68,806,110.95 is: 103,210,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,194,390.01 : 297,294,574.82 = 68,806,110.95 : x
  2. Step 2: Convert to fraction form
    198,194,390.01/297,294,574.82 = 68,806,110.95/x
  3. Step 3: Cross multiply
    198,194,390.01x = 297,294,574.82 × 68,806,110.95
  4. Step 4: Simplify right side
    198,194,390.01x = 20,455,683,498,067,492
  5. Step 5: Solve for x
    x = 20,455,683,498,067,492/198,194,390.01
  6. Step 6: Final answer
    x = 103,210,204.37

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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.