Home / 110,990,543.90-166,246,667.40-91,858,667.90

Finding the Fourth Proportional to 110,990,543.90, 166,246,667.40 and 91,858,667.90

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Solution

The fourth proportional to 110,990,543.90, 166,246,667.40 and 91,858,667.90 is: 137,590,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,990,543.90 : 166,246,667.40 = 91,858,667.90 : x
  2. Step 2: Convert to fraction form
    110,990,543.90/166,246,667.40 = 91,858,667.90/x
  3. Step 3: Cross multiply
    110,990,543.90x = 166,246,667.40 × 91,858,667.90
  4. Step 4: Simplify right side
    110,990,543.90x = 15,271,197,410,178,358
  5. Step 5: Solve for x
    x = 15,271,197,410,178,358/110,990,543.90
  6. Step 6: Final answer
    x = 137,590,076.36

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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.