Home / 150,794,361.70-208,113,069.42-91,288,444.70

Finding the Fourth Proportional to 150,794,361.70, 208,113,069.42 and 91,288,444.70

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Solution

The fourth proportional to 150,794,361.70, 208,113,069.42 and 91,288,444.70 is: 125,988,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794,361.70 : 208,113,069.42 = 91,288,444.70 : x
  2. Step 2: Convert to fraction form
    150,794,361.70/208,113,069.42 = 91,288,444.70/x
  3. Step 3: Cross multiply
    150,794,361.70x = 208,113,069.42 × 91,288,444.70
  4. Step 4: Simplify right side
    150,794,361.70x = 18,998,318,429,094,932
  5. Step 5: Solve for x
    x = 18,998,318,429,094,932/150,794,361.70
  6. Step 6: Final answer
    x = 125,988,254.57

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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.