Home / 190,040,657.06-285,061,934.64-67,219,087.70

Finding the Fourth Proportional to 190,040,657.06, 285,061,934.64 and 67,219,087.70

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Solution

The fourth proportional to 190,040,657.06, 285,061,934.64 and 67,219,087.70 is: 100,828,967.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040,657.06 : 285,061,934.64 = 67,219,087.70 : x
  2. Step 2: Convert to fraction form
    190,040,657.06/285,061,934.64 = 67,219,087.70/x
  3. Step 3: Cross multiply
    190,040,657.06x = 285,061,934.64 × 67,219,087.70
  4. Step 4: Simplify right side
    190,040,657.06x = 19,161,603,184,497,828
  5. Step 5: Solve for x
    x = 19,161,603,184,497,828/190,040,657.06
  6. Step 6: Final answer
    x = 100,828,967.24

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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.