Home / 74,980,147-103,443,028.14-47,086,451.32

Finding the Fourth Proportional to 74,980,147, 103,443,028.14 and 47,086,451.32

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Solution

The fourth proportional to 74,980,147, 103,443,028.14 and 47,086,451.32 is: 64,960,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,980,147 : 103,443,028.14 = 47,086,451.32 : x
  2. Step 2: Convert to fraction form
    74,980,147/103,443,028.14 = 47,086,451.32/x
  3. Step 3: Cross multiply
    74,980,147x = 103,443,028.14 × 47,086,451.32
  4. Step 4: Simplify right side
    74,980,147x = 4,870,765,108,907,500
  5. Step 5: Solve for x
    x = 4,870,765,108,907,500/74,980,147
  6. Step 6: Final answer
    x = 64,960,730.32

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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.