Home / 203,665,784.18-305,695,973.75-192,605,168.39

Finding the Fourth Proportional to 203,665,784.18, 305,695,973.75 and 192,605,168.39

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Solution

The fourth proportional to 203,665,784.18, 305,695,973.75 and 192,605,168.39 is: 289,094,335.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,665,784.18 : 305,695,973.75 = 192,605,168.39 : x
  2. Step 2: Convert to fraction form
    203,665,784.18/305,695,973.75 = 192,605,168.39/x
  3. Step 3: Cross multiply
    203,665,784.18x = 305,695,973.75 × 192,605,168.39
  4. Step 4: Simplify right side
    203,665,784.18x = 58,878,624,497,772,264
  5. Step 5: Solve for x
    x = 58,878,624,497,772,264/203,665,784.18
  6. Step 6: Final answer
    x = 289,094,335.29

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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.