Home / 243,907,761.16-336,599,449.86-138,052,762.12

Finding the Fourth Proportional to 243,907,761.16, 336,599,449.86 and 138,052,762.12

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Solution

The fourth proportional to 243,907,761.16, 336,599,449.86 and 138,052,762.12 is: 190,516,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,907,761.16 : 336,599,449.86 = 138,052,762.12 : x
  2. Step 2: Convert to fraction form
    243,907,761.16/336,599,449.86 = 138,052,762.12/x
  3. Step 3: Cross multiply
    243,907,761.16x = 336,599,449.86 × 138,052,762.12
  4. Step 4: Simplify right side
    243,907,761.16x = 46,468,483,781,245,448
  5. Step 5: Solve for x
    x = 46,468,483,781,245,448/243,907,761.16
  6. Step 6: Final answer
    x = 190,516,626.29

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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.