Home / 198,806,669.90-298,210,004.85-55,199,501.90

Finding the Fourth Proportional to 198,806,669.90, 298,210,004.85 and 55,199,501.90

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Solution

The fourth proportional to 198,806,669.90, 298,210,004.85 and 55,199,501.90 is: 82,799,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806,669.90 : 298,210,004.85 = 55,199,501.90 : x
  2. Step 2: Convert to fraction form
    198,806,669.90/298,210,004.85 = 55,199,501.90/x
  3. Step 3: Cross multiply
    198,806,669.90x = 298,210,004.85 × 55,199,501.90
  4. Step 4: Simplify right side
    198,806,669.90x = 16,461,043,729,316,586
  5. Step 5: Solve for x
    x = 16,461,043,729,316,586/198,806,669.90
  6. Step 6: Final answer
    x = 82,799,252.85

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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.