Home / 74,468,154.02-102,766,982.28-40,981,485.74

Finding the Fourth Proportional to 74,468,154.02, 102,766,982.28 and 40,981,485.74

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Solution

The fourth proportional to 74,468,154.02, 102,766,982.28 and 40,981,485.74 is: 56,554,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,154.02 : 102,766,982.28 = 40,981,485.74 : x
  2. Step 2: Convert to fraction form
    74,468,154.02/102,766,982.28 = 40,981,485.74/x
  3. Step 3: Cross multiply
    74,468,154.02x = 102,766,982.28 × 40,981,485.74
  4. Step 4: Simplify right side
    74,468,154.02x = 4,211,543,618,568,514
  5. Step 5: Solve for x
    x = 4,211,543,618,568,514/74,468,154.02
  6. Step 6: Final answer
    x = 56,554,961.97

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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.