Home / 198,807,002.40-298,210,503.60-55,199,834.40

Finding the Fourth Proportional to 198,807,002.40, 298,210,503.60 and 55,199,834.40

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Solution

The fourth proportional to 198,807,002.40, 298,210,503.60 and 55,199,834.40 is: 82,799,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,807,002.40 : 298,210,503.60 = 55,199,834.40 : x
  2. Step 2: Convert to fraction form
    198,807,002.40/298,210,503.60 = 55,199,834.40/x
  3. Step 3: Cross multiply
    198,807,002.40x = 298,210,503.60 × 55,199,834.40
  4. Step 4: Simplify right side
    198,807,002.40x = 16,461,170,415,060,604
  5. Step 5: Solve for x
    x = 16,461,170,415,060,604/198,807,002.40
  6. Step 6: Final answer
    x = 82,799,751.60

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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.