Home / 149,661,690.61-205,033,088.59-144,066,188.92

Finding the Fourth Proportional to 149,661,690.61, 205,033,088.59 and 144,066,188.92

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Solution

The fourth proportional to 149,661,690.61, 205,033,088.59 and 144,066,188.92 is: 197,367,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,661,690.61 : 205,033,088.59 = 144,066,188.92 : x
  2. Step 2: Convert to fraction form
    149,661,690.61/205,033,088.59 = 144,066,188.92/x
  3. Step 3: Cross multiply
    149,661,690.61x = 205,033,088.59 × 144,066,188.92
  4. Step 4: Simplify right side
    149,661,690.61x = 29,538,335,675,810,456
  5. Step 5: Solve for x
    x = 29,538,335,675,810,456/149,661,690.61
  6. Step 6: Final answer
    x = 197,367,379.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.