Home / 451,714,164.80-677,557,250.40-128,598,036.80

Finding the Fourth Proportional to 451,714,164.80, 677,557,250.40 and 128,598,036.80

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Solution

The fourth proportional to 451,714,164.80, 677,557,250.40 and 128,598,036.80 is: 192,893,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,714,164.80 : 677,557,250.40 = 128,598,036.80 : x
  2. Step 2: Convert to fraction form
    451,714,164.80/677,557,250.40 = 128,598,036.80/x
  3. Step 3: Cross multiply
    451,714,164.80x = 677,557,250.40 × 128,598,036.80
  4. Step 4: Simplify right side
    451,714,164.80x = 87,132,532,221,046,016
  5. Step 5: Solve for x
    x = 87,132,532,221,046,016/451,714,164.80
  6. Step 6: Final answer
    x = 192,893,070.47

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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.