Home / 350,498,906.64-525,733,745.31-91,708,397.28

Finding the Fourth Proportional to 350,498,906.64, 525,733,745.31 and 91,708,397.28

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Solution

The fourth proportional to 350,498,906.64, 525,733,745.31 and 91,708,397.28 is: 137,558,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,498,906.64 : 525,733,745.31 = 91,708,397.28 : x
  2. Step 2: Convert to fraction form
    350,498,906.64/525,733,745.31 = 91,708,397.28/x
  3. Step 3: Cross multiply
    350,498,906.64x = 525,733,745.31 × 91,708,397.28
  4. Step 4: Simplify right side
    350,498,906.64x = 48,214,199,178,391,816
  5. Step 5: Solve for x
    x = 48,214,199,178,391,816/350,498,906.64
  6. Step 6: Final answer
    x = 137,558,771.98

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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.