Home / 51,290,074.66-76,949,495.16-20,606,200.60

Finding the Fourth Proportional to 51,290,074.66, 76,949,495.16 and 20,606,200.60

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Solution

The fourth proportional to 51,290,074.66, 76,949,495.16 and 20,606,200.60 is: 30,915,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,290,074.66 : 76,949,495.16 = 20,606,200.60 : x
  2. Step 2: Convert to fraction form
    51,290,074.66/76,949,495.16 = 20,606,200.60/x
  3. Step 3: Cross multiply
    51,290,074.66x = 76,949,495.16 × 20,606,200.60
  4. Step 4: Simplify right side
    51,290,074.66x = 1,585,636,733,335,689.25
  5. Step 5: Solve for x
    x = 1,585,636,733,335,689.25/51,290,074.66
  6. Step 6: Final answer
    x = 30,915,079.45

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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.