Home / 142,161,272.31-213,241,910.89-34,455,896.31

Finding the Fourth Proportional to 142,161,272.31, 213,241,910.89 and 34,455,896.31

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Solution

The fourth proportional to 142,161,272.31, 213,241,910.89 and 34,455,896.31 is: 51,683,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,161,272.31 : 213,241,910.89 = 34,455,896.31 : x
  2. Step 2: Convert to fraction form
    142,161,272.31/213,241,910.89 = 34,455,896.31/x
  3. Step 3: Cross multiply
    142,161,272.31x = 213,241,910.89 × 34,455,896.31
  4. Step 4: Simplify right side
    142,161,272.31x = 7,347,441,170,572,100
  5. Step 5: Solve for x
    x = 7,347,441,170,572,100/142,161,272.31
  6. Step 6: Final answer
    x = 51,683,845.05

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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.