Home / 209,952,622.80-314,928,934.20-187,844,677.20

Finding the Fourth Proportional to 209,952,622.80, 314,928,934.20 and 187,844,677.20

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Solution

The fourth proportional to 209,952,622.80, 314,928,934.20 and 187,844,677.20 is: 281,767,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,622.80 : 314,928,934.20 = 187,844,677.20 : x
  2. Step 2: Convert to fraction form
    209,952,622.80/314,928,934.20 = 187,844,677.20/x
  3. Step 3: Cross multiply
    209,952,622.80x = 314,928,934.20 × 187,844,677.20
  4. Step 4: Simplify right side
    209,952,622.80x = 59,157,723,985,739,032
  5. Step 5: Solve for x
    x = 59,157,723,985,739,032/209,952,622.80
  6. Step 6: Final answer
    x = 281,767,015.80

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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.