Home / 281,901,649.58-422,868,633.73-74,634,674.40

Finding the Fourth Proportional to 281,901,649.58, 422,868,633.73 and 74,634,674.40

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Solution

The fourth proportional to 281,901,649.58, 422,868,633.73 and 74,634,674.40 is: 111,956,289.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,901,649.58 : 422,868,633.73 = 74,634,674.40 : x
  2. Step 2: Convert to fraction form
    281,901,649.58/422,868,633.73 = 74,634,674.40/x
  3. Step 3: Cross multiply
    281,901,649.58x = 422,868,633.73 × 74,634,674.40
  4. Step 4: Simplify right side
    281,901,649.58x = 31,560,662,792,224,824
  5. Step 5: Solve for x
    x = 31,560,662,792,224,824/281,901,649.58
  6. Step 6: Final answer
    x = 111,956,289.86

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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.