Home / 190,199,796.51-285,100,590.93-79,598,838.57

Finding the Fourth Proportional to 190,199,796.51, 285,100,590.93 and 79,598,838.57

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Solution

The fourth proportional to 190,199,796.51, 285,100,590.93 and 79,598,838.57 is: 119,314,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199,796.51 : 285,100,590.93 = 79,598,838.57 : x
  2. Step 2: Convert to fraction form
    190,199,796.51/285,100,590.93 = 79,598,838.57/x
  3. Step 3: Cross multiply
    190,199,796.51x = 285,100,590.93 × 79,598,838.57
  4. Step 4: Simplify right side
    190,199,796.51x = 22,693,675,913,648,676
  5. Step 5: Solve for x
    x = 22,693,675,913,648,676/190,199,796.51
  6. Step 6: Final answer
    x = 119,314,932.67

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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.