Home / 172,398,399.90-258,596,919.45-51,229,851.90

Finding the Fourth Proportional to 172,398,399.90, 258,596,919.45 and 51,229,851.90

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Solution

The fourth proportional to 172,398,399.90, 258,596,919.45 and 51,229,851.90 is: 76,844,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,398,399.90 : 258,596,919.45 = 51,229,851.90 : x
  2. Step 2: Convert to fraction form
    172,398,399.90/258,596,919.45 = 51,229,851.90/x
  3. Step 3: Cross multiply
    172,398,399.90x = 258,596,919.45 × 51,229,851.90
  4. Step 4: Simplify right side
    172,398,399.90x = 13,247,881,885,219,728
  5. Step 5: Solve for x
    x = 13,247,881,885,219,728/172,398,399.90
  6. Step 6: Final answer
    x = 76,844,575.66

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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.