Home / 55,825,343.34-83,738,044.17-21,273,688.50

Finding the Fourth Proportional to 55,825,343.34, 83,738,044.17 and 21,273,688.50

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Solution

The fourth proportional to 55,825,343.34, 83,738,044.17 and 21,273,688.50 is: 31,910,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825,343.34 : 83,738,044.17 = 21,273,688.50 : x
  2. Step 2: Convert to fraction form
    55,825,343.34/83,738,044.17 = 21,273,688.50/x
  3. Step 3: Cross multiply
    55,825,343.34x = 83,738,044.17 × 21,273,688.50
  4. Step 4: Simplify right side
    55,825,343.34x = 1,781,417,067,271,821
  5. Step 5: Solve for x
    x = 1,781,417,067,271,821/55,825,343.34
  6. Step 6: Final answer
    x = 31,910,543.86

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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.