Home / 198,718,320.51-298,121,937.71-60,554,740.85

Finding the Fourth Proportional to 198,718,320.51, 298,121,937.71 and 60,554,740.85

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Solution

The fourth proportional to 198,718,320.51, 298,121,937.71 and 60,554,740.85 is: 90,845,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,718,320.51 : 298,121,937.71 = 60,554,740.85 : x
  2. Step 2: Convert to fraction form
    198,718,320.51/298,121,937.71 = 60,554,740.85/x
  3. Step 3: Cross multiply
    198,718,320.51x = 298,121,937.71 × 60,554,740.85
  4. Step 4: Simplify right side
    198,718,320.51x = 18,052,696,679,728,892
  5. Step 5: Solve for x
    x = 18,052,696,679,728,892/198,718,320.51
  6. Step 6: Final answer
    x = 90,845,658.49

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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.