Home / 126,828,364.20-190,242,546.30-31,090,252.20

Finding the Fourth Proportional to 126,828,364.20, 190,242,546.30 and 31,090,252.20

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Solution

The fourth proportional to 126,828,364.20, 190,242,546.30 and 31,090,252.20 is: 46,635,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,828,364.20 : 190,242,546.30 = 31,090,252.20 : x
  2. Step 2: Convert to fraction form
    126,828,364.20/190,242,546.30 = 31,090,252.20/x
  3. Step 3: Cross multiply
    126,828,364.20x = 190,242,546.30 × 31,090,252.20
  4. Step 4: Simplify right side
    126,828,364.20x = 5,914,688,743,637,177
  5. Step 5: Solve for x
    x = 5,914,688,743,637,177/126,828,364.20
  6. Step 6: Final answer
    x = 46,635,378.30

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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.