Home / 53,705,813.40-80,558,720.10-15,368,578.20

Finding the Fourth Proportional to 53,705,813.40, 80,558,720.10 and 15,368,578.20

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Solution

The fourth proportional to 53,705,813.40, 80,558,720.10 and 15,368,578.20 is: 23,052,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705,813.40 : 80,558,720.10 = 15,368,578.20 : x
  2. Step 2: Convert to fraction form
    53,705,813.40/80,558,720.10 = 15,368,578.20/x
  3. Step 3: Cross multiply
    53,705,813.40x = 80,558,720.10 × 15,368,578.20
  4. Step 4: Simplify right side
    53,705,813.40x = 1,238,072,989,548,761.75
  5. Step 5: Solve for x
    x = 1,238,072,989,548,761.75/53,705,813.40
  6. Step 6: Final answer
    x = 23,052,867.30

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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.