Home / 198,720,153.60-298,080,230.40-166,975,411.20

Finding the Fourth Proportional to 198,720,153.60, 298,080,230.40 and 166,975,411.20

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Solution

The fourth proportional to 198,720,153.60, 298,080,230.40 and 166,975,411.20 is: 250,463,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,720,153.60 : 298,080,230.40 = 166,975,411.20 : x
  2. Step 2: Convert to fraction form
    198,720,153.60/298,080,230.40 = 166,975,411.20/x
  3. Step 3: Cross multiply
    198,720,153.60x = 298,080,230.40 × 166,975,411.20
  4. Step 4: Simplify right side
    198,720,153.60x = 49,772,069,041,630,736
  5. Step 5: Solve for x
    x = 49,772,069,041,630,736/198,720,153.60
  6. Step 6: Final answer
    x = 250,463,116.80

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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.