Home / 145,787,912.25-201,191,517.95-80,602,015.29

Finding the Fourth Proportional to 145,787,912.25, 201,191,517.95 and 80,602,015.29

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Solution

The fourth proportional to 145,787,912.25, 201,191,517.95 and 80,602,015.29 is: 111,233,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,787,912.25 : 201,191,517.95 = 80,602,015.29 : x
  2. Step 2: Convert to fraction form
    145,787,912.25/201,191,517.95 = 80,602,015.29/x
  3. Step 3: Cross multiply
    145,787,912.25x = 201,191,517.95 × 80,602,015.29
  4. Step 4: Simplify right side
    145,787,912.25x = 16,216,441,805,621,200
  5. Step 5: Solve for x
    x = 16,216,441,805,621,200/145,787,912.25
  6. Step 6: Final answer
    x = 111,233,102.63

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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.