Home / 141,389,012,310.31-195,116,785,449.24-77,159,736,772.12

Finding the Fourth Proportional to 141,389,012,310.31, 195,116,785,449.24 and 77,159,736,772.12

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Solution

The fourth proportional to 141,389,012,310.31, 195,116,785,449.24 and 77,159,736,772.12 is: 106,480,408,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,389,012,310.31 : 195,116,785,449.24 = 77,159,736,772.12 : x
  2. Step 2: Convert to fraction form
    141,389,012,310.31/195,116,785,449.24 = 77,159,736,772.12/x
  3. Step 3: Cross multiply
    141,389,012,310.31x = 195,116,785,449.24 × 77,159,736,772.12
  4. Step 4: Simplify right side
    141,389,012,310.31x = 15,055,159,805,085,571,088,384
  5. Step 5: Solve for x
    x = 15,055,159,805,085,571,088,384/141,389,012,310.31
  6. Step 6: Final answer
    x = 106,480,408,619.33

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1.5x scale

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.