Home / 354,985,665.72-532,535,716.08-109,342,186.32

Finding the Fourth Proportional to 354,985,665.72, 532,535,716.08 and 109,342,186.32

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Solution

The fourth proportional to 354,985,665.72, 532,535,716.08 and 109,342,186.32 is: 164,030,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,985,665.72 : 532,535,716.08 = 109,342,186.32 : x
  2. Step 2: Convert to fraction form
    354,985,665.72/532,535,716.08 = 109,342,186.32/x
  3. Step 3: Cross multiply
    354,985,665.72x = 532,535,716.08 × 109,342,186.32
  4. Step 4: Simplify right side
    354,985,665.72x = 58,228,619,489,673,976
  5. Step 5: Solve for x
    x = 58,228,619,489,673,976/354,985,665.72
  6. Step 6: Final answer
    x = 164,030,903.53

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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.