Home / 77,262,336,728.20-115,893,505,092.30-75,085,554,392.20

Finding the Fourth Proportional to 77,262,336,728.20, 115,893,505,092.30 and 75,085,554,392.20

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Solution

The fourth proportional to 77,262,336,728.20, 115,893,505,092.30 and 75,085,554,392.20 is: 112,628,331,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,336,728.20 : 115,893,505,092.30 = 75,085,554,392.20 : x
  2. Step 2: Convert to fraction form
    77,262,336,728.20/115,893,505,092.30 = 75,085,554,392.20/x
  3. Step 3: Cross multiply
    77,262,336,728.20x = 115,893,505,092.30 × 75,085,554,392.20
  4. Step 4: Simplify right side
    77,262,336,728.20x = 8,701,928,080,310,599,155,712
  5. Step 5: Solve for x
    x = 8,701,928,080,310,599,155,712/77,262,336,728.20
  6. Step 6: Final answer
    x = 112,628,331,588.30

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1.5x scale

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.