Home / 50,138,021.90-69,173,930.96-30,284,368.93

Finding the Fourth Proportional to 50,138,021.90, 69,173,930.96 and 30,284,368.93

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Solution

The fourth proportional to 50,138,021.90, 69,173,930.96 and 30,284,368.93 is: 41,782,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138,021.90 : 69,173,930.96 = 30,284,368.93 : x
  2. Step 2: Convert to fraction form
    50,138,021.90/69,173,930.96 = 30,284,368.93/x
  3. Step 3: Cross multiply
    50,138,021.90x = 69,173,930.96 × 30,284,368.93
  4. Step 4: Simplify right side
    50,138,021.90x = 2,094,888,845,105,277.50
  5. Step 5: Solve for x
    x = 2,094,888,845,105,277.50/50,138,021.90
  6. Step 6: Final answer
    x = 41,782,439.07

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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.