Home / 69,852,014.40-104,778,021.60-68,718,273.60

Finding the Fourth Proportional to 69,852,014.40, 104,778,021.60 and 68,718,273.60

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Solution

The fourth proportional to 69,852,014.40, 104,778,021.60 and 68,718,273.60 is: 103,077,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852,014.40 : 104,778,021.60 = 68,718,273.60 : x
  2. Step 2: Convert to fraction form
    69,852,014.40/104,778,021.60 = 68,718,273.60/x
  3. Step 3: Cross multiply
    69,852,014.40x = 104,778,021.60 × 68,718,273.60
  4. Step 4: Simplify right side
    69,852,014.40x = 7,200,164,755,575,509
  5. Step 5: Solve for x
    x = 7,200,164,755,575,509/69,852,014.40
  6. Step 6: Final answer
    x = 103,077,410.40

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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.