Home / 73,689,815.40-110,534,723.10-30,554,520.90

Finding the Fourth Proportional to 73,689,815.40, 110,534,723.10 and 30,554,520.90

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Solution

The fourth proportional to 73,689,815.40, 110,534,723.10 and 30,554,520.90 is: 45,831,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,689,815.40 : 110,534,723.10 = 30,554,520.90 : x
  2. Step 2: Convert to fraction form
    73,689,815.40/110,534,723.10 = 30,554,520.90/x
  3. Step 3: Cross multiply
    73,689,815.40x = 110,534,723.10 × 30,554,520.90
  4. Step 4: Simplify right side
    73,689,815.40x = 3,377,335,507,134,662.50
  5. Step 5: Solve for x
    x = 3,377,335,507,134,662.50/73,689,815.40
  6. Step 6: Final answer
    x = 45,831,781.35

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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.