Home / 123,873,033.12-170,902,944.43-70,221,938.56

Finding the Fourth Proportional to 123,873,033.12, 170,902,944.43 and 70,221,938.56

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Solution

The fourth proportional to 123,873,033.12, 170,902,944.43 and 70,221,938.56 is: 96,882,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,873,033.12 : 170,902,944.43 = 70,221,938.56 : x
  2. Step 2: Convert to fraction form
    123,873,033.12/170,902,944.43 = 70,221,938.56/x
  3. Step 3: Cross multiply
    123,873,033.12x = 170,902,944.43 × 70,221,938.56
  4. Step 4: Simplify right side
    123,873,033.12x = 12,001,136,062,280,932
  5. Step 5: Solve for x
    x = 12,001,136,062,280,932/123,873,033.12
  6. Step 6: Final answer
    x = 96,882,555.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.