Home / 171,821,314.33-257,756,182.40-55,197,564.55

Finding the Fourth Proportional to 171,821,314.33, 257,756,182.40 and 55,197,564.55

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Solution

The fourth proportional to 171,821,314.33, 257,756,182.40 and 55,197,564.55 is: 82,804,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,821,314.33 : 257,756,182.40 = 55,197,564.55 : x
  2. Step 2: Convert to fraction form
    171,821,314.33/257,756,182.40 = 55,197,564.55/x
  3. Step 3: Cross multiply
    171,821,314.33x = 257,756,182.40 × 55,197,564.55
  4. Step 4: Simplify right side
    171,821,314.33x = 14,227,513,515,679,178
  5. Step 5: Solve for x
    x = 14,227,513,515,679,178/171,821,314.33
  6. Step 6: Final answer
    x = 82,804,124.57

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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.