Home / 54,369,439.20-81,554,158.80-18,467,647.20

Finding the Fourth Proportional to 54,369,439.20, 81,554,158.80 and 18,467,647.20

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Solution

The fourth proportional to 54,369,439.20, 81,554,158.80 and 18,467,647.20 is: 27,701,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369,439.20 : 81,554,158.80 = 18,467,647.20 : x
  2. Step 2: Convert to fraction form
    54,369,439.20/81,554,158.80 = 18,467,647.20/x
  3. Step 3: Cross multiply
    54,369,439.20x = 81,554,158.80 × 18,467,647.20
  4. Step 4: Simplify right side
    54,369,439.20x = 1,506,113,432,411,175.25
  5. Step 5: Solve for x
    x = 1,506,113,432,411,175.25/54,369,439.20
  6. Step 6: Final answer
    x = 27,701,470.80

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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.