Home / 72,580,636.80-108,880,286.40-36,207,619.20

Finding the Fourth Proportional to 72,580,636.80, 108,880,286.40 and 36,207,619.20

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Solution

The fourth proportional to 72,580,636.80, 108,880,286.40 and 36,207,619.20 is: 54,316,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580,636.80 : 108,880,286.40 = 36,207,619.20 : x
  2. Step 2: Convert to fraction form
    72,580,636.80/108,880,286.40 = 36,207,619.20/x
  3. Step 3: Cross multiply
    72,580,636.80x = 108,880,286.40 × 36,207,619.20
  4. Step 4: Simplify right side
    72,580,636.80x = 3,942,295,948,358,139.50
  5. Step 5: Solve for x
    x = 3,942,295,948,358,139.50/72,580,636.80
  6. Step 6: Final answer
    x = 54,316,083.77

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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.