Home / 98,105,775-135,389,025.77-56,297,496.08

Finding the Fourth Proportional to 98,105,775, 135,389,025.77 and 56,297,496.08

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Solution

The fourth proportional to 98,105,775, 135,389,025.77 and 56,297,496.08 is: 77,692,298.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,105,775 : 135,389,025.77 = 56,297,496.08 : x
  2. Step 2: Convert to fraction form
    98,105,775/135,389,025.77 = 56,297,496.08/x
  3. Step 3: Cross multiply
    98,105,775x = 135,389,025.77 × 56,297,496.08
  4. Step 4: Simplify right side
    98,105,775x = 7,622,063,146,603,161
  5. Step 5: Solve for x
    x = 7,622,063,146,603,161/98,105,775
  6. Step 6: Final answer
    x = 77,692,298.41

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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.