Home / 198,693,549.92-298,040,401.68-89,391,075.68

Finding the Fourth Proportional to 198,693,549.92, 298,040,401.68 and 89,391,075.68

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Solution

The fourth proportional to 198,693,549.92, 298,040,401.68 and 89,391,075.68 is: 134,086,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,693,549.92 : 298,040,401.68 = 89,391,075.68 : x
  2. Step 2: Convert to fraction form
    198,693,549.92/298,040,401.68 = 89,391,075.68/x
  3. Step 3: Cross multiply
    198,693,549.92x = 298,040,401.68 × 89,391,075.68
  4. Step 4: Simplify right side
    198,693,549.92x = 26,642,152,102,274,480
  5. Step 5: Solve for x
    x = 26,642,152,102,274,480/198,693,549.92
  6. Step 6: Final answer
    x = 134,086,648.07

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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.