Home / 141,927,005,379.64-195,859,271,287.02-78,562,232,067.64

Finding the Fourth Proportional to 141,927,005,379.64, 195,859,271,287.02 and 78,562,232,067.64

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Solution

The fourth proportional to 141,927,005,379.64, 195,859,271,287.02 and 78,562,232,067.64 is: 108,415,882,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927,005,379.64 : 195,859,271,287.02 = 78,562,232,067.64 : x
  2. Step 2: Convert to fraction form
    141,927,005,379.64/195,859,271,287.02 = 78,562,232,067.64/x
  3. Step 3: Cross multiply
    141,927,005,379.64x = 195,859,271,287.02 × 78,562,232,067.64
  4. Step 4: Simplify right side
    141,927,005,379.64x = 15,387,141,523,449,724,272,640
  5. Step 5: Solve for x
    x = 15,387,141,523,449,724,272,640/141,927,005,379.64
  6. Step 6: Final answer
    x = 108,415,882,391.73

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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.