Home / 74,443,557.98-111,670,644.64-19,855,833.86

Finding the Fourth Proportional to 74,443,557.98, 111,670,644.64 and 19,855,833.86

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Solution

The fourth proportional to 74,443,557.98, 111,670,644.64 and 19,855,833.86 is: 29,785,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,443,557.98 : 111,670,644.64 = 19,855,833.86 : x
  2. Step 2: Convert to fraction form
    74,443,557.98/111,670,644.64 = 19,855,833.86/x
  3. Step 3: Cross multiply
    74,443,557.98x = 111,670,644.64 × 19,855,833.86
  4. Step 4: Simplify right side
    74,443,557.98x = 2,217,313,767,010,939.50
  5. Step 5: Solve for x
    x = 2,217,313,767,010,939.50/74,443,557.98
  6. Step 6: Final answer
    x = 29,785,166.47

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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.