Home / 51,899,161.19-71,623,911.02-29,872,112.72

Finding the Fourth Proportional to 51,899,161.19, 71,623,911.02 and 29,872,112.72

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Solution

The fourth proportional to 51,899,161.19, 71,623,911.02 and 29,872,112.72 is: 41,225,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899,161.19 : 71,623,911.02 = 29,872,112.72 : x
  2. Step 2: Convert to fraction form
    51,899,161.19/71,623,911.02 = 29,872,112.72/x
  3. Step 3: Cross multiply
    51,899,161.19x = 71,623,911.02 × 29,872,112.72
  4. Step 4: Simplify right side
    51,899,161.19x = 2,139,557,542,929,210
  5. Step 5: Solve for x
    x = 2,139,557,542,929,210/51,899,161.19
  6. Step 6: Final answer
    x = 41,225,281.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.