Home / 76,643,145.60-114,964,718.40-49,433,366.40

Finding the Fourth Proportional to 76,643,145.60, 114,964,718.40 and 49,433,366.40

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Solution

The fourth proportional to 76,643,145.60, 114,964,718.40 and 49,433,366.40 is: 74,150,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,643,145.60 : 114,964,718.40 = 49,433,366.40 : x
  2. Step 2: Convert to fraction form
    76,643,145.60/114,964,718.40 = 49,433,366.40/x
  3. Step 3: Cross multiply
    76,643,145.60x = 114,964,718.40 × 49,433,366.40
  4. Step 4: Simplify right side
    76,643,145.60x = 5,683,093,047,740,022
  5. Step 5: Solve for x
    x = 5,683,093,047,740,022/76,643,145.60
  6. Step 6: Final answer
    x = 74,150,049.60

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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.