Home / 137,179,770.35-189,308,290.46-74,455,890.84

Finding the Fourth Proportional to 137,179,770.35, 189,308,290.46 and 74,455,890.84

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Solution

The fourth proportional to 137,179,770.35, 189,308,290.46 and 74,455,890.84 is: 102,749,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,179,770.35 : 189,308,290.46 = 74,455,890.84 : x
  2. Step 2: Convert to fraction form
    137,179,770.35/189,308,290.46 = 74,455,890.84/x
  3. Step 3: Cross multiply
    137,179,770.35x = 189,308,290.46 × 74,455,890.84
  4. Step 4: Simplify right side
    137,179,770.35x = 14,095,117,409,224,496
  5. Step 5: Solve for x
    x = 14,095,117,409,224,496/137,179,770.35
  6. Step 6: Final answer
    x = 102,749,241.92

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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.