Home / 171,625,992.40-257,427,178.80-55,039,646.80

Finding the Fourth Proportional to 171,625,992.40, 257,427,178.80 and 55,039,646.80

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Solution

The fourth proportional to 171,625,992.40, 257,427,178.80 and 55,039,646.80 is: 82,555,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,625,992.40 : 257,427,178.80 = 55,039,646.80 : x
  2. Step 2: Convert to fraction form
    171,625,992.40/257,427,178.80 = 55,039,646.80/x
  3. Step 3: Cross multiply
    171,625,992.40x = 257,427,178.80 × 55,039,646.80
  4. Step 4: Simplify right side
    171,625,992.40x = 14,168,700,997,872,448
  5. Step 5: Solve for x
    x = 14,168,700,997,872,448/171,625,992.40
  6. Step 6: Final answer
    x = 82,555,682.85

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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.