Home / 73,123,288.40-109,684,932.60-18,535,768.40

Finding the Fourth Proportional to 73,123,288.40, 109,684,932.60 and 18,535,768.40

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Solution

The fourth proportional to 73,123,288.40, 109,684,932.60 and 18,535,768.40 is: 27,803,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,123,288.40 : 109,684,932.60 = 18,535,768.40 : x
  2. Step 2: Convert to fraction form
    73,123,288.40/109,684,932.60 = 18,535,768.40/x
  3. Step 3: Cross multiply
    73,123,288.40x = 109,684,932.60 × 18,535,768.40
  4. Step 4: Simplify right side
    73,123,288.40x = 2,033,094,507,643,209.50
  5. Step 5: Solve for x
    x = 2,033,094,507,643,209.50/73,123,288.40
  6. Step 6: Final answer
    x = 27,803,652.60

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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.