Home / 69,447,618.40-104,171,427.60-65,908,674.40

Finding the Fourth Proportional to 69,447,618.40, 104,171,427.60 and 65,908,674.40

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Solution

The fourth proportional to 69,447,618.40, 104,171,427.60 and 65,908,674.40 is: 98,863,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447,618.40 : 104,171,427.60 = 65,908,674.40 : x
  2. Step 2: Convert to fraction form
    69,447,618.40/104,171,427.60 = 65,908,674.40/x
  3. Step 3: Cross multiply
    69,447,618.40x = 104,171,427.60 × 65,908,674.40
  4. Step 4: Simplify right side
    69,447,618.40x = 6,865,800,703,471,573
  5. Step 5: Solve for x
    x = 6,865,800,703,471,573/69,447,618.40
  6. Step 6: Final answer
    x = 98,863,011.60

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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.