Home / 307,029,370.10-423,905,049.94-181,621,853.50

Finding the Fourth Proportional to 307,029,370.10, 423,905,049.94 and 181,621,853.50

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Solution

The fourth proportional to 307,029,370.10, 423,905,049.94 and 181,621,853.50 is: 250,759,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,029,370.10 : 423,905,049.94 = 181,621,853.50 : x
  2. Step 2: Convert to fraction form
    307,029,370.10/423,905,049.94 = 181,621,853.50/x
  3. Step 3: Cross multiply
    307,029,370.10x = 423,905,049.94 × 181,621,853.50
  4. Step 4: Simplify right side
    307,029,370.10x = 76,990,420,878,112,864
  5. Step 5: Solve for x
    x = 76,990,420,878,112,864/307,029,370.10
  6. Step 6: Final answer
    x = 250,759,140.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.