Home / 98,444,916-135,856,783.44-54,987,651.36

Finding the Fourth Proportional to 98,444,916, 135,856,783.44 and 54,987,651.36

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Solution

The fourth proportional to 98,444,916, 135,856,783.44 and 54,987,651.36 is: 75,884,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,444,916 : 135,856,783.44 = 54,987,651.36 : x
  2. Step 2: Convert to fraction form
    98,444,916/135,856,783.44 = 54,987,651.36/x
  3. Step 3: Cross multiply
    98,444,916x = 135,856,783.44 × 54,987,651.36
  4. Step 4: Simplify right side
    98,444,916x = 7,470,445,442,689,741
  5. Step 5: Solve for x
    x = 7,470,445,442,689,741/98,444,916
  6. Step 6: Final answer
    x = 75,884,522.49

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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.