Home / 51,290,077.16-76,949,498.92-20,606,203.10

Finding the Fourth Proportional to 51,290,077.16, 76,949,498.92 and 20,606,203.10

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Solution

The fourth proportional to 51,290,077.16, 76,949,498.92 and 20,606,203.10 is: 30,915,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290,077.16 : 76,949,498.92 = 20,606,203.10 : x
  2. Step 2: Convert to fraction form
    51,290,077.16/76,949,498.92 = 20,606,203.10/x
  3. Step 3: Cross multiply
    51,290,077.16x = 76,949,498.92 × 20,606,203.10
  4. Step 4: Simplify right side
    51,290,077.16x = 1,585,637,003,188,750.75
  5. Step 5: Solve for x
    x = 1,585,637,003,188,750.75/51,290,077.16
  6. Step 6: Final answer
    x = 30,915,083.21

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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.