Home / 52,115,036.38-78,184,563.87-18,036,382.21

Finding the Fourth Proportional to 52,115,036.38, 78,184,563.87 and 18,036,382.21

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Solution

The fourth proportional to 52,115,036.38, 78,184,563.87 and 18,036,382.21 is: 27,058,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115,036.38 : 78,184,563.87 = 18,036,382.21 : x
  2. Step 2: Convert to fraction form
    52,115,036.38/78,184,563.87 = 18,036,382.21/x
  3. Step 3: Cross multiply
    52,115,036.38x = 78,184,563.87 × 18,036,382.21
  4. Step 4: Simplify right side
    52,115,036.38x = 1,410,166,676,881,477
  5. Step 5: Solve for x
    x = 1,410,166,676,881,477/52,115,036.38
  6. Step 6: Final answer
    x = 27,058,729.59

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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.