Home / 170,756,421.38-235,643,940.34-92,439,974.87

Finding the Fourth Proportional to 170,756,421.38, 235,643,940.34 and 92,439,974.87

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Solution

The fourth proportional to 170,756,421.38, 235,643,940.34 and 92,439,974.87 is: 127,567,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,756,421.38 : 235,643,940.34 = 92,439,974.87 : x
  2. Step 2: Convert to fraction form
    170,756,421.38/235,643,940.34 = 92,439,974.87/x
  3. Step 3: Cross multiply
    170,756,421.38x = 235,643,940.34 × 92,439,974.87
  4. Step 4: Simplify right side
    170,756,421.38x = 21,782,919,923,297,380
  5. Step 5: Solve for x
    x = 21,782,919,923,297,380/170,756,421.38
  6. Step 6: Final answer
    x = 127,567,208.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.