Home / 67,104,456.62-100,655,673.60-30,190,277.71

Finding the Fourth Proportional to 67,104,456.62, 100,655,673.60 and 30,190,277.71

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Solution

The fourth proportional to 67,104,456.62, 100,655,673.60 and 30,190,277.71 is: 45,284,961.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,104,456.62 : 100,655,673.60 = 30,190,277.71 : x
  2. Step 2: Convert to fraction form
    67,104,456.62/100,655,673.60 = 30,190,277.71/x
  3. Step 3: Cross multiply
    67,104,456.62x = 100,655,673.60 × 30,190,277.71
  4. Step 4: Simplify right side
    67,104,456.62x = 3,038,822,739,071,115.50
  5. Step 5: Solve for x
    x = 3,038,822,739,071,115.50/67,104,456.62
  6. Step 6: Final answer
    x = 45,284,961.57

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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.