Home / 74,313,467.20-102,551,978.37-40,823,506.90

Finding the Fourth Proportional to 74,313,467.20, 102,551,978.37 and 40,823,506.90

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Solution

The fourth proportional to 74,313,467.20, 102,551,978.37 and 40,823,506.90 is: 56,336,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,467.20 : 102,551,978.37 = 40,823,506.90 : x
  2. Step 2: Convert to fraction form
    74,313,467.20/102,551,978.37 = 40,823,506.90/x
  3. Step 3: Cross multiply
    74,313,467.20x = 102,551,978.37 × 40,823,506.90
  4. Step 4: Simplify right side
    74,313,467.20x = 4,186,531,396,596,346
  5. Step 5: Solve for x
    x = 4,186,531,396,596,346/74,313,467.20
  6. Step 6: Final answer
    x = 56,336,106.42

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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.