Home / 108,735,568.40-163,103,352.60-65,737,398.80

Finding the Fourth Proportional to 108,735,568.40, 163,103,352.60 and 65,737,398.80

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Solution

The fourth proportional to 108,735,568.40, 163,103,352.60 and 65,737,398.80 is: 98,606,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,735,568.40 : 163,103,352.60 = 65,737,398.80 : x
  2. Step 2: Convert to fraction form
    108,735,568.40/163,103,352.60 = 65,737,398.80/x
  3. Step 3: Cross multiply
    108,735,568.40x = 163,103,352.60 × 65,737,398.80
  4. Step 4: Simplify right side
    108,735,568.40x = 10,721,990,135,483,216
  5. Step 5: Solve for x
    x = 10,721,990,135,483,216/108,735,568.40
  6. Step 6: Final answer
    x = 98,606,098.20

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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.