Home / 190,230,003.90-285,433,479.45-99,456,090.30

Finding the Fourth Proportional to 190,230,003.90, 285,433,479.45 and 99,456,090.30

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Solution

The fourth proportional to 190,230,003.90, 285,433,479.45 and 99,456,090.30 is: 149,230,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,230,003.90 : 285,433,479.45 = 99,456,090.30 : x
  2. Step 2: Convert to fraction form
    190,230,003.90/285,433,479.45 = 99,456,090.30/x
  3. Step 3: Cross multiply
    190,230,003.90x = 285,433,479.45 × 99,456,090.30
  4. Step 4: Simplify right side
    190,230,003.90x = 28,388,097,906,822,392
  5. Step 5: Solve for x
    x = 28,388,097,906,822,392/190,230,003.90
  6. Step 6: Final answer
    x = 149,230,391.24

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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.