Home / 120,142,621.18-180,107,052.81-43,448,598.82

Finding the Fourth Proportional to 120,142,621.18, 180,107,052.81 and 43,448,598.82

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Solution

The fourth proportional to 120,142,621.18, 180,107,052.81 and 43,448,598.82 is: 65,134,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,142,621.18 : 180,107,052.81 = 43,448,598.82 : x
  2. Step 2: Convert to fraction form
    120,142,621.18/180,107,052.81 = 43,448,598.82/x
  3. Step 3: Cross multiply
    120,142,621.18x = 180,107,052.81 × 43,448,598.82
  4. Step 4: Simplify right side
    120,142,621.18x = 7,825,399,082,194,244
  5. Step 5: Solve for x
    x = 7,825,399,082,194,244/120,142,621.18
  6. Step 6: Final answer
    x = 65,134,246.33

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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.