Home / 209,458,613.92-314,237,376.24-65,851,445.92

Finding the Fourth Proportional to 209,458,613.92, 314,237,376.24 and 65,851,445.92

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Solution

The fourth proportional to 209,458,613.92, 314,237,376.24 and 65,851,445.92 is: 98,792,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,458,613.92 : 314,237,376.24 = 65,851,445.92 : x
  2. Step 2: Convert to fraction form
    209,458,613.92/314,237,376.24 = 65,851,445.92/x
  3. Step 3: Cross multiply
    209,458,613.92x = 314,237,376.24 × 65,851,445.92
  4. Step 4: Simplify right side
    209,458,613.92x = 20,692,985,587,511,056
  5. Step 5: Solve for x
    x = 20,692,985,587,511,056/209,458,613.92
  6. Step 6: Final answer
    x = 98,792,717.09

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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.