Home / 54,033,103.80-81,049,655.70-13,643,587.80

Finding the Fourth Proportional to 54,033,103.80, 81,049,655.70 and 13,643,587.80

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Solution

The fourth proportional to 54,033,103.80, 81,049,655.70 and 13,643,587.80 is: 20,465,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033,103.80 : 81,049,655.70 = 13,643,587.80 : x
  2. Step 2: Convert to fraction form
    54,033,103.80/81,049,655.70 = 13,643,587.80/x
  3. Step 3: Cross multiply
    54,033,103.80x = 81,049,655.70 × 13,643,587.80
  4. Step 4: Simplify right side
    54,033,103.80x = 1,105,808,093,702,720.50
  5. Step 5: Solve for x
    x = 1,105,808,093,702,720.50/54,033,103.80
  6. Step 6: Final answer
    x = 20,465,381.70

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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.