Home / 74,384,006.56-111,577,132.32-28,328,425.44

Finding the Fourth Proportional to 74,384,006.56, 111,577,132.32 and 28,328,425.44

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Solution

The fourth proportional to 74,384,006.56, 111,577,132.32 and 28,328,425.44 is: 42,493,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384,006.56 : 111,577,132.32 = 28,328,425.44 : x
  2. Step 2: Convert to fraction form
    74,384,006.56/111,577,132.32 = 28,328,425.44/x
  3. Step 3: Cross multiply
    74,384,006.56x = 111,577,132.32 × 28,328,425.44
  4. Step 4: Simplify right side
    74,384,006.56x = 3,160,804,473,736,134
  5. Step 5: Solve for x
    x = 3,160,804,473,736,134/74,384,006.56
  6. Step 6: Final answer
    x = 42,493,065.65

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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.