Home / 198,541,752.03-297,848,989.42-81,893,474.93

Finding the Fourth Proportional to 198,541,752.03, 297,848,989.42 and 81,893,474.93

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Solution

The fourth proportional to 198,541,752.03, 297,848,989.42 and 81,893,474.93 is: 122,855,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,541,752.03 : 297,848,989.42 = 81,893,474.93 : x
  2. Step 2: Convert to fraction form
    198,541,752.03/297,848,989.42 = 81,893,474.93/x
  3. Step 3: Cross multiply
    198,541,752.03x = 297,848,989.42 × 81,893,474.93
  4. Step 4: Simplify right side
    198,541,752.03x = 24,391,888,748,532,496
  5. Step 5: Solve for x
    x = 24,391,888,748,532,496/198,541,752.03
  6. Step 6: Final answer
    x = 122,855,210.55

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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.