Home / 105,236,165.24-145,226,847.73-58,196,421.69

Finding the Fourth Proportional to 105,236,165.24, 145,226,847.73 and 58,196,421.69

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Solution

The fourth proportional to 105,236,165.24, 145,226,847.73 and 58,196,421.69 is: 80,311,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,236,165.24 : 145,226,847.73 = 58,196,421.69 : x
  2. Step 2: Convert to fraction form
    105,236,165.24/145,226,847.73 = 58,196,421.69/x
  3. Step 3: Cross multiply
    105,236,165.24x = 145,226,847.73 × 58,196,421.69
  4. Step 4: Simplify right side
    105,236,165.24x = 8,451,682,870,398,055
  5. Step 5: Solve for x
    x = 8,451,682,870,398,055/105,236,165.24
  6. Step 6: Final answer
    x = 80,311,581.59

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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.