Home / 51,201,259.66-76,801,963.40-20,909,122.66

Finding the Fourth Proportional to 51,201,259.66, 76,801,963.40 and 20,909,122.66

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Solution

The fourth proportional to 51,201,259.66, 76,801,963.40 and 20,909,122.66 is: 31,363,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,259.66 : 76,801,963.40 = 20,909,122.66 : x
  2. Step 2: Convert to fraction form
    51,201,259.66/76,801,963.40 = 20,909,122.66/x
  3. Step 3: Cross multiply
    51,201,259.66x = 76,801,963.40 × 20,909,122.66
  4. Step 4: Simplify right side
    51,201,259.66x = 1,605,861,673,259,430.75
  5. Step 5: Solve for x
    x = 1,605,861,673,259,430.75/51,201,259.66
  6. Step 6: Final answer
    x = 31,363,714.17

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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.