Home / 91,265,728-125,946,706.08-50,014,243.84

Finding the Fourth Proportional to 91,265,728, 125,946,706.08 and 50,014,243.84

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Solution

The fourth proportional to 91,265,728, 125,946,706.08 and 50,014,243.84 is: 69,019,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,265,728 : 125,946,706.08 = 50,014,243.84 : x
  2. Step 2: Convert to fraction form
    91,265,728/125,946,706.08 = 50,014,243.84/x
  3. Step 3: Cross multiply
    91,265,728x = 125,946,706.08 × 50,014,243.84
  4. Step 4: Simplify right side
    91,265,728x = 6,299,129,268,729,931
  5. Step 5: Solve for x
    x = 6,299,129,268,729,931/91,265,728
  6. Step 6: Final answer
    x = 69,019,657.29

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1.5x scale

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.