Home / 414,072,002.10-621,108,003.15-126,820,341.30

Finding the Fourth Proportional to 414,072,002.10, 621,108,003.15 and 126,820,341.30

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Solution

The fourth proportional to 414,072,002.10, 621,108,003.15 and 126,820,341.30 is: 190,230,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,072,002.10 : 621,108,003.15 = 126,820,341.30 : x
  2. Step 2: Convert to fraction form
    414,072,002.10/621,108,003.15 = 126,820,341.30/x
  3. Step 3: Cross multiply
    414,072,002.10x = 621,108,003.15 × 126,820,341.30
  4. Step 4: Simplify right side
    414,072,002.10x = 78,769,128,943,644,464
  5. Step 5: Solve for x
    x = 78,769,128,943,644,464/414,072,002.10
  6. Step 6: Final answer
    x = 190,230,511.95

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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.