Home / 122,928,423.36-169,638,760.80-67,922,865.60

Finding the Fourth Proportional to 122,928,423.36, 169,638,760.80 and 67,922,865.60

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Solution

The fourth proportional to 122,928,423.36, 169,638,760.80 and 67,922,865.60 is: 93,732,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,928,423.36 : 169,638,760.80 = 67,922,865.60 : x
  2. Step 2: Convert to fraction form
    122,928,423.36/169,638,760.80 = 67,922,865.60/x
  3. Step 3: Cross multiply
    122,928,423.36x = 169,638,760.80 × 67,922,865.60
  4. Step 4: Simplify right side
    122,928,423.36x = 11,522,350,750,368,948
  5. Step 5: Solve for x
    x = 11,522,350,750,368,948/122,928,423.36
  6. Step 6: Final answer
    x = 93,732,193.38

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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.