Home / 198,732,819.60-298,099,229.40-157,280,421.60

Finding the Fourth Proportional to 198,732,819.60, 298,099,229.40 and 157,280,421.60

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Solution

The fourth proportional to 198,732,819.60, 298,099,229.40 and 157,280,421.60 is: 235,920,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,732,819.60 : 298,099,229.40 = 157,280,421.60 : x
  2. Step 2: Convert to fraction form
    198,732,819.60/298,099,229.40 = 157,280,421.60/x
  3. Step 3: Cross multiply
    198,732,819.60x = 298,099,229.40 × 157,280,421.60
  4. Step 4: Simplify right side
    198,732,819.60x = 46,885,172,478,667,112
  5. Step 5: Solve for x
    x = 46,885,172,478,667,112/198,732,819.60
  6. Step 6: Final answer
    x = 235,920,632.40

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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.