Home / 69,447,366.40-104,171,049.60-65,908,422.40

Finding the Fourth Proportional to 69,447,366.40, 104,171,049.60 and 65,908,422.40

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Solution

The fourth proportional to 69,447,366.40, 104,171,049.60 and 65,908,422.40 is: 98,862,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447,366.40 : 104,171,049.60 = 65,908,422.40 : x
  2. Step 2: Convert to fraction form
    69,447,366.40/104,171,049.60 = 65,908,422.40/x
  3. Step 3: Cross multiply
    69,447,366.40x = 104,171,049.60 × 65,908,422.40
  4. Step 4: Simplify right side
    69,447,366.40x = 6,865,749,538,888,150
  5. Step 5: Solve for x
    x = 6,865,749,538,888,150/69,447,366.40
  6. Step 6: Final answer
    x = 98,862,633.60

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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.