Home / 55,537,336.95-83,311,517.12-20,531,627.12

Finding the Fourth Proportional to 55,537,336.95, 83,311,517.12 and 20,531,627.12

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Solution

The fourth proportional to 55,537,336.95, 83,311,517.12 and 20,531,627.12 is: 30,799,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,537,336.95 : 83,311,517.12 = 20,531,627.12 : x
  2. Step 2: Convert to fraction form
    55,537,336.95/83,311,517.12 = 20,531,627.12/x
  3. Step 3: Cross multiply
    55,537,336.95x = 83,311,517.12 × 20,531,627.12
  4. Step 4: Simplify right side
    55,537,336.95x = 1,710,521,003,790,120.25
  5. Step 5: Solve for x
    x = 1,710,521,003,790,120.25/55,537,336.95
  6. Step 6: Final answer
    x = 30,799,478.29

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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.