Home / 198,732,821.10-298,099,231.65-157,280,423.10

Finding the Fourth Proportional to 198,732,821.10, 298,099,231.65 and 157,280,423.10

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Solution

The fourth proportional to 198,732,821.10, 298,099,231.65 and 157,280,423.10 is: 235,920,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,732,821.10 : 298,099,231.65 = 157,280,423.10 : x
  2. Step 2: Convert to fraction form
    198,732,821.10/298,099,231.65 = 157,280,423.10/x
  3. Step 3: Cross multiply
    198,732,821.10x = 298,099,231.65 × 157,280,423.10
  4. Step 4: Simplify right side
    198,732,821.10x = 46,885,173,279,696,904
  5. Step 5: Solve for x
    x = 46,885,173,279,696,904/198,732,821.10
  6. Step 6: Final answer
    x = 235,920,634.65

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1.5x scale

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.