Home / 198,806,669.40-298,210,004.10-55,199,501.40

Finding the Fourth Proportional to 198,806,669.40, 298,210,004.10 and 55,199,501.40

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Solution

The fourth proportional to 198,806,669.40, 298,210,004.10 and 55,199,501.40 is: 82,799,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806,669.40 : 298,210,004.10 = 55,199,501.40 : x
  2. Step 2: Convert to fraction form
    198,806,669.40/298,210,004.10 = 55,199,501.40/x
  3. Step 3: Cross multiply
    198,806,669.40x = 298,210,004.10 × 55,199,501.40
  4. Step 4: Simplify right side
    198,806,669.40x = 16,461,043,538,811,956
  5. Step 5: Solve for x
    x = 16,461,043,538,811,956/198,806,669.40
  6. Step 6: Final answer
    x = 82,799,252.10

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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.