Home / 307,691,071.20-461,536,606.80-92,280,319.20

Finding the Fourth Proportional to 307,691,071.20, 461,536,606.80 and 92,280,319.20

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Solution

The fourth proportional to 307,691,071.20, 461,536,606.80 and 92,280,319.20 is: 138,420,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,691,071.20 : 461,536,606.80 = 92,280,319.20 : x
  2. Step 2: Convert to fraction form
    307,691,071.20/461,536,606.80 = 92,280,319.20/x
  3. Step 3: Cross multiply
    307,691,071.20x = 461,536,606.80 × 92,280,319.20
  4. Step 4: Simplify right side
    307,691,071.20x = 42,590,745,397,988,896
  5. Step 5: Solve for x
    x = 42,590,745,397,988,896/307,691,071.20
  6. Step 6: Final answer
    x = 138,420,478.80

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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.