Home / 51,538,352.66-71,118,696.20-30,341,767.60

Finding the Fourth Proportional to 51,538,352.66, 71,118,696.20 and 30,341,767.60

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Solution

The fourth proportional to 51,538,352.66, 71,118,696.20 and 30,341,767.60 is: 41,869,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538,352.66 : 71,118,696.20 = 30,341,767.60 : x
  2. Step 2: Convert to fraction form
    51,538,352.66/71,118,696.20 = 30,341,767.60/x
  3. Step 3: Cross multiply
    51,538,352.66x = 71,118,696.20 × 30,341,767.60
  4. Step 4: Simplify right side
    51,538,352.66x = 2,157,866,952,115,403.25
  5. Step 5: Solve for x
    x = 2,157,866,952,115,403.25/51,538,352.66
  6. Step 6: Final answer
    x = 41,869,148.72

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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.