Home / 198,990,897.60-298,486,346.40-69,555,489.60

Finding the Fourth Proportional to 198,990,897.60, 298,486,346.40 and 69,555,489.60

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Solution

The fourth proportional to 198,990,897.60, 298,486,346.40 and 69,555,489.60 is: 104,333,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,990,897.60 : 298,486,346.40 = 69,555,489.60 : x
  2. Step 2: Convert to fraction form
    198,990,897.60/298,486,346.40 = 69,555,489.60/x
  3. Step 3: Cross multiply
    198,990,897.60x = 298,486,346.40 × 69,555,489.60
  4. Step 4: Simplify right side
    198,990,897.60x = 20,761,363,962,767,196
  5. Step 5: Solve for x
    x = 20,761,363,962,767,196/198,990,897.60
  6. Step 6: Final answer
    x = 104,333,234.40

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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.