Home / 83,413,838.61-125,120,507.63-21,165,032.43

Finding the Fourth Proportional to 83,413,838.61, 125,120,507.63 and 21,165,032.43

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Solution

The fourth proportional to 83,413,838.61, 125,120,507.63 and 21,165,032.43 is: 31,747,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413,838.61 : 125,120,507.63 = 21,165,032.43 : x
  2. Step 2: Convert to fraction form
    83,413,838.61/125,120,507.63 = 21,165,032.43/x
  3. Step 3: Cross multiply
    83,413,838.61x = 125,120,507.63 × 21,165,032.43
  4. Step 4: Simplify right side
    83,413,838.61x = 2,648,179,601,541,187
  5. Step 5: Solve for x
    x = 2,648,179,601,541,187/83,413,838.61
  6. Step 6: Final answer
    x = 31,747,485.14

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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.