Home / 315,414,347.70-473,121,521.55-206,575,230.90

Finding the Fourth Proportional to 315,414,347.70, 473,121,521.55 and 206,575,230.90

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Solution

The fourth proportional to 315,414,347.70, 473,121,521.55 and 206,575,230.90 is: 309,862,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,414,347.70 : 473,121,521.55 = 206,575,230.90 : x
  2. Step 2: Convert to fraction form
    315,414,347.70/473,121,521.55 = 206,575,230.90/x
  3. Step 3: Cross multiply
    315,414,347.70x = 473,121,521.55 × 206,575,230.90
  4. Step 4: Simplify right side
    315,414,347.70x = 97,735,187,557,950,576
  5. Step 5: Solve for x
    x = 97,735,187,557,950,576/315,414,347.70
  6. Step 6: Final answer
    x = 309,862,846.35

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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.