Home / 74,543,398.27-102,641,741.60-74,328,164.66

Finding the Fourth Proportional to 74,543,398.27, 102,641,741.60 and 74,328,164.66

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Solution

The fourth proportional to 74,543,398.27, 102,641,741.60 and 74,328,164.66 is: 102,345,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543,398.27 : 102,641,741.60 = 74,328,164.66 : x
  2. Step 2: Convert to fraction form
    74,543,398.27/102,641,741.60 = 74,328,164.66/x
  3. Step 3: Cross multiply
    74,543,398.27x = 102,641,741.60 × 74,328,164.66
  4. Step 4: Simplify right side
    74,543,398.27x = 7,629,172,270,518,935
  5. Step 5: Solve for x
    x = 7,629,172,270,518,935/74,543,398.27
  6. Step 6: Final answer
    x = 102,345,377.97

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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.