Home / 124,127,336.67-171,289,393.56-68,371,556.79

Finding the Fourth Proportional to 124,127,336.67, 171,289,393.56 and 68,371,556.79

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Solution

The fourth proportional to 124,127,336.67, 171,289,393.56 and 68,371,556.79 is: 94,349,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,127,336.67 : 171,289,393.56 = 68,371,556.79 : x
  2. Step 2: Convert to fraction form
    124,127,336.67/171,289,393.56 = 68,371,556.79/x
  3. Step 3: Cross multiply
    124,127,336.67x = 171,289,393.56 × 68,371,556.79
  4. Step 4: Simplify right side
    124,127,336.67x = 11,711,322,499,312,202
  5. Step 5: Solve for x
    x = 11,711,322,499,312,202/124,127,336.67
  6. Step 6: Final answer
    x = 94,349,261.12

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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.