Home / 145,961,557.20-201,427,027.43-79,882,016.81

Finding the Fourth Proportional to 145,961,557.20, 201,427,027.43 and 79,882,016.81

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Solution

The fourth proportional to 145,961,557.20, 201,427,027.43 and 79,882,016.81 is: 110,237,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,961,557.20 : 201,427,027.43 = 79,882,016.81 : x
  2. Step 2: Convert to fraction form
    145,961,557.20/201,427,027.43 = 79,882,016.81/x
  3. Step 3: Cross multiply
    145,961,557.20x = 201,427,027.43 × 79,882,016.81
  4. Step 4: Simplify right side
    145,961,557.20x = 16,090,397,189,745,048
  5. Step 5: Solve for x
    x = 16,090,397,189,745,048/145,961,557.20
  6. Step 6: Final answer
    x = 110,237,226.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.