Home / 198,703,106.64-298,033,693.08-53,151,355.44

Finding the Fourth Proportional to 198,703,106.64, 298,033,693.08 and 53,151,355.44

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Solution

The fourth proportional to 198,703,106.64, 298,033,693.08 and 53,151,355.44 is: 79,721,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,703,106.64 : 298,033,693.08 = 53,151,355.44 : x
  2. Step 2: Convert to fraction form
    198,703,106.64/298,033,693.08 = 53,151,355.44/x
  3. Step 3: Cross multiply
    198,703,106.64x = 298,033,693.08 × 53,151,355.44
  4. Step 4: Simplify right side
    198,703,106.64x = 15,840,894,753,990,946
  5. Step 5: Solve for x
    x = 15,840,894,753,990,946/198,703,106.64
  6. Step 6: Final answer
    x = 79,721,424.70

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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.