Home / 171,625,985.40-257,427,168.30-55,039,639.80

Finding the Fourth Proportional to 171,625,985.40, 257,427,168.30 and 55,039,639.80

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Solution

The fourth proportional to 171,625,985.40, 257,427,168.30 and 55,039,639.80 is: 82,555,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,625,985.40 : 257,427,168.30 = 55,039,639.80 : x
  2. Step 2: Convert to fraction form
    171,625,985.40/257,427,168.30 = 55,039,639.80/x
  3. Step 3: Cross multiply
    171,625,985.40x = 257,427,168.30 × 55,039,639.80
  4. Step 4: Simplify right side
    171,625,985.40x = 14,168,698,617,965,978
  5. Step 5: Solve for x
    x = 14,168,698,617,965,978/171,625,985.40
  6. Step 6: Final answer
    x = 82,555,672.35

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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.