Home / 198,624,086.40-297,936,129.60-55,016,918.40

Finding the Fourth Proportional to 198,624,086.40, 297,936,129.60 and 55,016,918.40

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Solution

The fourth proportional to 198,624,086.40, 297,936,129.60 and 55,016,918.40 is: 82,525,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,624,086.40 : 297,936,129.60 = 55,016,918.40 : x
  2. Step 2: Convert to fraction form
    198,624,086.40/297,936,129.60 = 55,016,918.40/x
  3. Step 3: Cross multiply
    198,624,086.40x = 297,936,129.60 × 55,016,918.40
  4. Step 4: Simplify right side
    198,624,086.40x = 16,391,527,730,615,026
  5. Step 5: Solve for x
    x = 16,391,527,730,615,026/198,624,086.40
  6. Step 6: Final answer
    x = 82,525,377.60

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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.