Home / 108,777,378.10-163,118,186.39-57,647,417.62

Finding the Fourth Proportional to 108,777,378.10, 163,118,186.39 and 57,647,417.62

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Solution

The fourth proportional to 108,777,378.10, 163,118,186.39 and 57,647,417.62 is: 86,445,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,777,378.10 : 163,118,186.39 = 57,647,417.62 : x
  2. Step 2: Convert to fraction form
    108,777,378.10/163,118,186.39 = 57,647,417.62/x
  3. Step 3: Cross multiply
    108,777,378.10x = 163,118,186.39 × 57,647,417.62
  4. Step 4: Simplify right side
    108,777,378.10x = 9,403,342,212,241,328
  5. Step 5: Solve for x
    x = 9,403,342,212,241,328/108,777,378.10
  6. Step 6: Final answer
    x = 86,445,751.65

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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.