Home / 198,806,670.90-298,210,006.35-55,199,502.90

Finding the Fourth Proportional to 198,806,670.90, 298,210,006.35 and 55,199,502.90

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Solution

The fourth proportional to 198,806,670.90, 298,210,006.35 and 55,199,502.90 is: 82,799,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,806,670.90 : 298,210,006.35 = 55,199,502.90 : x
  2. Step 2: Convert to fraction form
    198,806,670.90/298,210,006.35 = 55,199,502.90/x
  3. Step 3: Cross multiply
    198,806,670.90x = 298,210,006.35 × 55,199,502.90
  4. Step 4: Simplify right side
    198,806,670.90x = 16,461,044,110,325,844
  5. Step 5: Solve for x
    x = 16,461,044,110,325,844/198,806,670.90
  6. Step 6: Final answer
    x = 82,799,254.35

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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.