Home / 69,221,002.59-103,823,572.37-18,107,954.91

Finding the Fourth Proportional to 69,221,002.59, 103,823,572.37 and 18,107,954.91

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Solution

The fourth proportional to 69,221,002.59, 103,823,572.37 and 18,107,954.91 is: 27,159,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221,002.59 : 103,823,572.37 = 18,107,954.91 : x
  2. Step 2: Convert to fraction form
    69,221,002.59/103,823,572.37 = 18,107,954.91/x
  3. Step 3: Cross multiply
    69,221,002.59x = 103,823,572.37 × 18,107,954.91
  4. Step 4: Simplify right side
    69,221,002.59x = 1,880,032,566,980,542
  5. Step 5: Solve for x
    x = 1,880,032,566,980,542/69,221,002.59
  6. Step 6: Final answer
    x = 27,159,857.51

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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.