Home / 45,985,952.66-68,979,178.06-13,638,135.45

Finding the Fourth Proportional to 45,985,952.66, 68,979,178.06 and 13,638,135.45

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Solution

The fourth proportional to 45,985,952.66, 68,979,178.06 and 13,638,135.45 is: 20,457,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985,952.66 : 68,979,178.06 = 13,638,135.45 : x
  2. Step 2: Convert to fraction form
    45,985,952.66/68,979,178.06 = 13,638,135.45/x
  3. Step 3: Cross multiply
    45,985,952.66x = 68,979,178.06 × 13,638,135.45
  4. Step 4: Simplify right side
    45,985,952.66x = 940,747,373,543,757.62
  5. Step 5: Solve for x
    x = 940,747,373,543,757.62/45,985,952.66
  6. Step 6: Final answer
    x = 20,457,277.04

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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.