Home / 43,583,906-65,351,701.56-20,215,159.76

Finding the Fourth Proportional to 43,583,906, 65,351,701.56 and 20,215,159.76

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Solution

The fourth proportional to 43,583,906, 65,351,701.56 and 20,215,159.76 is: 30,311,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,583,906 : 65,351,701.56 = 20,215,159.76 : x
  2. Step 2: Convert to fraction form
    43,583,906/65,351,701.56 = 20,215,159.76/x
  3. Step 3: Cross multiply
    43,583,906x = 65,351,701.56 × 20,215,159.76
  4. Step 4: Simplify right side
    43,583,906x = 1,321,095,087,623,241.50
  5. Step 5: Solve for x
    x = 1,321,095,087,623,241.50/43,583,906
  6. Step 6: Final answer
    x = 30,311,534.90

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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.