Home / 281,717,999.60-422,576,999.40-77,245,746.80

Finding the Fourth Proportional to 281,717,999.60, 422,576,999.40 and 77,245,746.80

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Solution

The fourth proportional to 281,717,999.60, 422,576,999.40 and 77,245,746.80 is: 115,868,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,717,999.60 : 422,576,999.40 = 77,245,746.80 : x
  2. Step 2: Convert to fraction form
    281,717,999.60/422,576,999.40 = 77,245,746.80/x
  3. Step 3: Cross multiply
    281,717,999.60x = 422,576,999.40 × 77,245,746.80
  4. Step 4: Simplify right side
    281,717,999.60x = 32,642,275,899,156,148
  5. Step 5: Solve for x
    x = 32,642,275,899,156,148/281,717,999.60
  6. Step 6: Final answer
    x = 115,868,620.20

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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.