Home / 91,156,388.56-125,795,812.60-49,903,280.93

Finding the Fourth Proportional to 91,156,388.56, 125,795,812.60 and 49,903,280.93

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Solution

The fourth proportional to 91,156,388.56, 125,795,812.60 and 49,903,280.93 is: 68,866,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,156,388.56 : 125,795,812.60 = 49,903,280.93 : x
  2. Step 2: Convert to fraction form
    91,156,388.56/125,795,812.60 = 49,903,280.93/x
  3. Step 3: Cross multiply
    91,156,388.56x = 125,795,812.60 × 49,903,280.93
  4. Step 4: Simplify right side
    91,156,388.56x = 6,277,623,776,185,165
  5. Step 5: Solve for x
    x = 6,277,623,776,185,165/91,156,388.56
  6. Step 6: Final answer
    x = 68,866,525.71

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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.