Home / 90,149,189,722.28-135,228,133,289.72-29,642,127,633.01

Finding the Fourth Proportional to 90,149,189,722.28, 135,228,133,289.72 and 29,642,127,633.01

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Solution

The fourth proportional to 90,149,189,722.28, 135,228,133,289.72 and 29,642,127,633.01 is: 44,464,621,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,149,189,722.28 : 135,228,133,289.72 = 29,642,127,633.01 : x
  2. Step 2: Convert to fraction form
    90,149,189,722.28/135,228,133,289.72 = 29,642,127,633.01/x
  3. Step 3: Cross multiply
    90,149,189,722.28x = 135,228,133,289.72 × 29,642,127,633.01
  4. Step 4: Simplify right side
    90,149,189,722.28x = 4,008,449,586,547,568,672,768
  5. Step 5: Solve for x
    x = 4,008,449,586,547,568,672,768/90,149,189,722.28
  6. Step 6: Final answer
    x = 44,464,621,355.96

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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.