Home / 61,963,778.90-92,954,525.70-21,025,107.20

Finding the Fourth Proportional to 61,963,778.90, 92,954,525.70 and 21,025,107.20

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Solution

The fourth proportional to 61,963,778.90, 92,954,525.70 and 21,025,107.20 is: 31,540,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963,778.90 : 92,954,525.70 = 21,025,107.20 : x
  2. Step 2: Convert to fraction form
    61,963,778.90/92,954,525.70 = 21,025,107.20/x
  3. Step 3: Cross multiply
    61,963,778.90x = 92,954,525.70 × 21,025,107.20
  4. Step 4: Simplify right side
    61,963,778.90x = 1,954,378,867,567,655
  5. Step 5: Solve for x
    x = 1,954,378,867,567,655/61,963,778.90
  6. Step 6: Final answer
    x = 31,540,666.21

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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.