Home / 209,986,436.60-314,979,654.90-133,060,023.80

Finding the Fourth Proportional to 209,986,436.60, 314,979,654.90 and 133,060,023.80

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Solution

The fourth proportional to 209,986,436.60, 314,979,654.90 and 133,060,023.80 is: 199,590,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,986,436.60 : 314,979,654.90 = 133,060,023.80 : x
  2. Step 2: Convert to fraction form
    209,986,436.60/314,979,654.90 = 133,060,023.80/x
  3. Step 3: Cross multiply
    209,986,436.60x = 314,979,654.90 × 133,060,023.80
  4. Step 4: Simplify right side
    209,986,436.60x = 41,911,200,377,509,784
  5. Step 5: Solve for x
    x = 41,911,200,377,509,784/209,986,436.60
  6. Step 6: Final answer
    x = 199,590,035.70

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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.