Home / 61,426,043.11-92,152,021.81-19,923,696.42

Finding the Fourth Proportional to 61,426,043.11, 92,152,021.81 and 19,923,696.42

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Solution

The fourth proportional to 61,426,043.11, 92,152,021.81 and 19,923,696.42 is: 29,889,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,426,043.11 : 92,152,021.81 = 19,923,696.42 : x
  2. Step 2: Convert to fraction form
    61,426,043.11/92,152,021.81 = 19,923,696.42/x
  3. Step 3: Cross multiply
    61,426,043.11x = 92,152,021.81 × 19,923,696.42
  4. Step 4: Simplify right side
    61,426,043.11x = 1,836,008,907,031,659.25
  5. Step 5: Solve for x
    x = 1,836,008,907,031,659.25/61,426,043.11
  6. Step 6: Final answer
    x = 29,889,747.31

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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.