Home / 50,390,940.36-69,541,699.86-28,365,861

Finding the Fourth Proportional to 50,390,940.36, 69,541,699.86 and 28,365,861

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Solution

The fourth proportional to 50,390,940.36, 69,541,699.86 and 28,365,861 is: 39,146,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,390,940.36 : 69,541,699.86 = 28,365,861 : x
  2. Step 2: Convert to fraction form
    50,390,940.36/69,541,699.86 = 28,365,861/x
  3. Step 3: Cross multiply
    50,390,940.36x = 69,541,699.86 × 28,365,861
  4. Step 4: Simplify right side
    50,390,940.36x = 1,972,610,191,932,479.50
  5. Step 5: Solve for x
    x = 1,972,610,191,932,479.50/50,390,940.36
  6. Step 6: Final answer
    x = 39,146,127.81

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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.