Home / 74,325,282.40-111,487,923.60-68,585,719.60

Finding the Fourth Proportional to 74,325,282.40, 111,487,923.60 and 68,585,719.60

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Solution

The fourth proportional to 74,325,282.40, 111,487,923.60 and 68,585,719.60 is: 102,878,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325,282.40 : 111,487,923.60 = 68,585,719.60 : x
  2. Step 2: Convert to fraction form
    74,325,282.40/111,487,923.60 = 68,585,719.60/x
  3. Step 3: Cross multiply
    74,325,282.40x = 111,487,923.60 × 68,585,719.60
  4. Step 4: Simplify right side
    74,325,282.40x = 7,646,479,466,815,821
  5. Step 5: Solve for x
    x = 7,646,479,466,815,821/74,325,282.40
  6. Step 6: Final answer
    x = 102,878,579.40

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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.