Home / 127,427,320.80-191,215,630.80-46,656,453.60

Finding the Fourth Proportional to 127,427,320.80, 191,215,630.80 and 46,656,453.60

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Solution

The fourth proportional to 127,427,320.80, 191,215,630.80 and 46,656,453.60 is: 70,012,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,427,320.80 : 191,215,630.80 = 46,656,453.60 : x
  2. Step 2: Convert to fraction form
    127,427,320.80/191,215,630.80 = 46,656,453.60/x
  3. Step 3: Cross multiply
    127,427,320.80x = 191,215,630.80 × 46,656,453.60
  4. Step 4: Simplify right side
    127,427,320.80x = 8,921,443,206,014,932
  5. Step 5: Solve for x
    x = 8,921,443,206,014,932/127,427,320.80
  6. Step 6: Final answer
    x = 70,012,012.73

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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.