Home / 61,963,779.90-92,954,527.20-21,025,108.20

Finding the Fourth Proportional to 61,963,779.90, 92,954,527.20 and 21,025,108.20

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Solution

The fourth proportional to 61,963,779.90, 92,954,527.20 and 21,025,108.20 is: 31,540,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963,779.90 : 92,954,527.20 = 21,025,108.20 : x
  2. Step 2: Convert to fraction form
    61,963,779.90/92,954,527.20 = 21,025,108.20/x
  3. Step 3: Cross multiply
    61,963,779.90x = 92,954,527.20 × 21,025,108.20
  4. Step 4: Simplify right side
    61,963,779.90x = 1,954,378,992,059,843
  5. Step 5: Solve for x
    x = 1,954,378,992,059,843/61,963,779.90
  6. Step 6: Final answer
    x = 31,540,667.71

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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.