Home / 281,343,610.40-422,141,386.80-127,910,688.80

Finding the Fourth Proportional to 281,343,610.40, 422,141,386.80 and 127,910,688.80

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Solution

The fourth proportional to 281,343,610.40, 422,141,386.80 and 127,910,688.80 is: 191,923,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,343,610.40 : 422,141,386.80 = 127,910,688.80 : x
  2. Step 2: Convert to fraction form
    281,343,610.40/422,141,386.80 = 127,910,688.80/x
  3. Step 3: Cross multiply
    281,343,610.40x = 422,141,386.80 × 127,910,688.80
  4. Step 4: Simplify right side
    281,343,610.40x = 53,996,395,556,575,232
  5. Step 5: Solve for x
    x = 53,996,395,556,575,232/281,343,610.40
  6. Step 6: Final answer
    x = 191,923,305.03

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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.