Home / 198,581,630.40-297,872,445.60-53,014,910.40

Finding the Fourth Proportional to 198,581,630.40, 297,872,445.60 and 53,014,910.40

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Solution

The fourth proportional to 198,581,630.40, 297,872,445.60 and 53,014,910.40 is: 79,522,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,581,630.40 : 297,872,445.60 = 53,014,910.40 : x
  2. Step 2: Convert to fraction form
    198,581,630.40/297,872,445.60 = 53,014,910.40/x
  3. Step 3: Cross multiply
    198,581,630.40x = 297,872,445.60 × 53,014,910.40
  4. Step 4: Simplify right side
    198,581,630.40x = 15,791,681,014,112,876
  5. Step 5: Solve for x
    x = 15,791,681,014,112,876/198,581,630.40
  6. Step 6: Final answer
    x = 79,522,365.60

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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.