Home / 45,465,678.43-68,190,301.80-13,109,625.79

Finding the Fourth Proportional to 45,465,678.43, 68,190,301.80 and 13,109,625.79

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Solution

The fourth proportional to 45,465,678.43, 68,190,301.80 and 13,109,625.79 is: 19,662,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,465,678.43 : 68,190,301.80 = 13,109,625.79 : x
  2. Step 2: Convert to fraction form
    45,465,678.43/68,190,301.80 = 13,109,625.79/x
  3. Step 3: Cross multiply
    45,465,678.43x = 68,190,301.80 × 13,109,625.79
  4. Step 4: Simplify right side
    45,465,678.43x = 893,949,339,105,163.38
  5. Step 5: Solve for x
    x = 893,949,339,105,163.38/45,465,678.43
  6. Step 6: Final answer
    x = 19,662,069.72

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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.