Home / 171,966,979.18-257,943,263.43-55,379,754.52

Finding the Fourth Proportional to 171,966,979.18, 257,943,263.43 and 55,379,754.52

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Solution

The fourth proportional to 171,966,979.18, 257,943,263.43 and 55,379,754.52 is: 83,067,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,966,979.18 : 257,943,263.43 = 55,379,754.52 : x
  2. Step 2: Convert to fraction form
    171,966,979.18/257,943,263.43 = 55,379,754.52/x
  3. Step 3: Cross multiply
    171,966,979.18x = 257,943,263.43 × 55,379,754.52
  4. Step 4: Simplify right side
    171,966,979.18x = 14,284,834,609,854,840
  5. Step 5: Solve for x
    x = 14,284,834,609,854,840/171,966,979.18
  6. Step 6: Final answer
    x = 83,067,311.40

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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.