Home / 54,451,241.40-81,440,666.10-48,735,298.20

Finding the Fourth Proportional to 54,451,241.40, 81,440,666.10 and 48,735,298.20

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Solution

The fourth proportional to 54,451,241.40, 81,440,666.10 and 48,735,298.20 is: 72,891,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,451,241.40 : 81,440,666.10 = 48,735,298.20 : x
  2. Step 2: Convert to fraction form
    54,451,241.40/81,440,666.10 = 48,735,298.20/x
  3. Step 3: Cross multiply
    54,451,241.40x = 81,440,666.10 × 48,735,298.20
  4. Step 4: Simplify right side
    54,451,241.40x = 3,969,035,147,990,131
  5. Step 5: Solve for x
    x = 3,969,035,147,990,131/54,451,241.40
  6. Step 6: Final answer
    x = 72,891,545.65

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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.