Home / 171,625,872.90-257,426,999.55-55,039,527.30

Finding the Fourth Proportional to 171,625,872.90, 257,426,999.55 and 55,039,527.30

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Solution

The fourth proportional to 171,625,872.90, 257,426,999.55 and 55,039,527.30 is: 82,555,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,625,872.90 : 257,426,999.55 = 55,039,527.30 : x
  2. Step 2: Convert to fraction form
    171,625,872.90/257,426,999.55 = 55,039,527.30/x
  3. Step 3: Cross multiply
    171,625,872.90x = 257,426,999.55 × 55,039,527.30
  4. Step 4: Simplify right side
    171,625,872.90x = 14,168,660,369,489,312
  5. Step 5: Solve for x
    x = 14,168,660,369,489,312/171,625,872.90
  6. Step 6: Final answer
    x = 82,555,503.61

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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.