Home / 90,661,157.46-125,108,746.29-49,407,164.10

Finding the Fourth Proportional to 90,661,157.46, 125,108,746.29 and 49,407,164.10

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Solution

The fourth proportional to 90,661,157.46, 125,108,746.29 and 49,407,164.10 is: 68,179,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,661,157.46 : 125,108,746.29 = 49,407,164.10 : x
  2. Step 2: Convert to fraction form
    90,661,157.46/125,108,746.29 = 49,407,164.10/x
  3. Step 3: Cross multiply
    90,661,157.46x = 125,108,746.29 × 49,407,164.10
  4. Step 4: Simplify right side
    90,661,157.46x = 6,181,268,358,295,297
  5. Step 5: Solve for x
    x = 6,181,268,358,295,297/90,661,157.46
  6. Step 6: Final answer
    x = 68,179,896.79

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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.