Home / 69,221,003.34-103,823,573.49-18,107,955.66

Finding the Fourth Proportional to 69,221,003.34, 103,823,573.49 and 18,107,955.66

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Solution

The fourth proportional to 69,221,003.34, 103,823,573.49 and 18,107,955.66 is: 27,159,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221,003.34 : 103,823,573.49 = 18,107,955.66 : x
  2. Step 2: Convert to fraction form
    69,221,003.34/103,823,573.49 = 18,107,955.66/x
  3. Step 3: Cross multiply
    69,221,003.34x = 103,823,573.49 × 18,107,955.66
  4. Step 4: Simplify right side
    69,221,003.34x = 1,880,032,665,219,671.25
  5. Step 5: Solve for x
    x = 1,880,032,665,219,671.25/69,221,003.34
  6. Step 6: Final answer
    x = 27,159,858.63

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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.