Home / 198,591,291.40-297,886,937.10-54,984,123.40

Finding the Fourth Proportional to 198,591,291.40, 297,886,937.10 and 54,984,123.40

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Solution

The fourth proportional to 198,591,291.40, 297,886,937.10 and 54,984,123.40 is: 82,476,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,591,291.40 : 297,886,937.10 = 54,984,123.40 : x
  2. Step 2: Convert to fraction form
    198,591,291.40/297,886,937.10 = 54,984,123.40/x
  3. Step 3: Cross multiply
    198,591,291.40x = 297,886,937.10 × 54,984,123.40
  4. Step 4: Simplify right side
    198,591,291.40x = 16,379,052,108,754,440
  5. Step 5: Solve for x
    x = 16,379,052,108,754,440/198,591,291.40
  6. Step 6: Final answer
    x = 82,476,185.10

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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.