Home / 73,103,678.55-109,655,517.83-30,003,813.45

Finding the Fourth Proportional to 73,103,678.55, 109,655,517.83 and 30,003,813.45

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Solution

The fourth proportional to 73,103,678.55, 109,655,517.83 and 30,003,813.45 is: 45,005,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,103,678.55 : 109,655,517.83 = 30,003,813.45 : x
  2. Step 2: Convert to fraction form
    73,103,678.55/109,655,517.83 = 30,003,813.45/x
  3. Step 3: Cross multiply
    73,103,678.55x = 109,655,517.83 × 30,003,813.45
  4. Step 4: Simplify right side
    73,103,678.55x = 3,290,083,700,584,450
  5. Step 5: Solve for x
    x = 3,290,083,700,584,450/73,103,678.55
  6. Step 6: Final answer
    x = 45,005,720.18

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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.