Home / 31,262,264.85-43,142,178.80-17,323,852.78

Finding the Fourth Proportional to 31,262,264.85, 43,142,178.80 and 17,323,852.78

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Solution

The fourth proportional to 31,262,264.85, 43,142,178.80 and 17,323,852.78 is: 23,907,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262,264.85 : 43,142,178.80 = 17,323,852.78 : x
  2. Step 2: Convert to fraction form
    31,262,264.85/43,142,178.80 = 17,323,852.78/x
  3. Step 3: Cross multiply
    31,262,264.85x = 43,142,178.80 × 17,323,852.78
  4. Step 4: Simplify right side
    31,262,264.85x = 747,388,753,945,467.75
  5. Step 5: Solve for x
    x = 747,388,753,945,467.75/31,262,264.85
  6. Step 6: Final answer
    x = 23,907,057.20

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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.