Home / 149,236,035.12-223,684,239.24-90,814,864.32

Finding the Fourth Proportional to 149,236,035.12, 223,684,239.24 and 90,814,864.32

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Solution

The fourth proportional to 149,236,035.12, 223,684,239.24 and 90,814,864.32 is: 136,118,959.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,236,035.12 : 223,684,239.24 = 90,814,864.32 : x
  2. Step 2: Convert to fraction form
    149,236,035.12/223,684,239.24 = 90,814,864.32/x
  3. Step 3: Cross multiply
    149,236,035.12x = 223,684,239.24 × 90,814,864.32
  4. Step 4: Simplify right side
    149,236,035.12x = 20,313,853,837,103,020
  5. Step 5: Solve for x
    x = 20,313,853,837,103,020/149,236,035.12
  6. Step 6: Final answer
    x = 136,118,959.61

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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.