Home / 198,806,672.40-298,210,008.60-55,199,504.40

Finding the Fourth Proportional to 198,806,672.40, 298,210,008.60 and 55,199,504.40

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Solution

The fourth proportional to 198,806,672.40, 298,210,008.60 and 55,199,504.40 is: 82,799,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806,672.40 : 298,210,008.60 = 55,199,504.40 : x
  2. Step 2: Convert to fraction form
    198,806,672.40/298,210,008.60 = 55,199,504.40/x
  3. Step 3: Cross multiply
    198,806,672.40x = 298,210,008.60 × 55,199,504.40
  4. Step 4: Simplify right side
    198,806,672.40x = 16,461,044,681,839,738
  5. Step 5: Solve for x
    x = 16,461,044,681,839,738/198,806,672.40
  6. Step 6: Final answer
    x = 82,799,256.60

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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.