Home / 283,738,232.33-391,558,928.55-158,290,428.68

Finding the Fourth Proportional to 283,738,232.33, 391,558,928.55 and 158,290,428.68

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Solution

The fourth proportional to 283,738,232.33, 391,558,928.55 and 158,290,428.68 is: 218,440,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,738,232.33 : 391,558,928.55 = 158,290,428.68 : x
  2. Step 2: Convert to fraction form
    283,738,232.33/391,558,928.55 = 158,290,428.68/x
  3. Step 3: Cross multiply
    283,738,232.33x = 391,558,928.55 × 158,290,428.68
  4. Step 4: Simplify right side
    283,738,232.33x = 61,980,030,651,407,192
  5. Step 5: Solve for x
    x = 61,980,030,651,407,192/283,738,232.33
  6. Step 6: Final answer
    x = 218,440,885.25

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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.