Home / 45,706,879.85-68,544,376.53-20,133,938.93

Finding the Fourth Proportional to 45,706,879.85, 68,544,376.53 and 20,133,938.93

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Solution

The fourth proportional to 45,706,879.85, 68,544,376.53 and 20,133,938.93 is: 30,193,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706,879.85 : 68,544,376.53 = 20,133,938.93 : x
  2. Step 2: Convert to fraction form
    45,706,879.85/68,544,376.53 = 20,133,938.93/x
  3. Step 3: Cross multiply
    45,706,879.85x = 68,544,376.53 × 20,133,938.93
  4. Step 4: Simplify right side
    45,706,879.85x = 1,380,068,290,707,223.50
  5. Step 5: Solve for x
    x = 1,380,068,290,707,223.50/45,706,879.85
  6. Step 6: Final answer
    x = 30,193,885.37

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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.