Home / 100,464,364.80-150,541,718.40-74,784,902.40

Finding the Fourth Proportional to 100,464,364.80, 150,541,718.40 and 74,784,902.40

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Solution

The fourth proportional to 100,464,364.80, 150,541,718.40 and 74,784,902.40 is: 112,062,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,464,364.80 : 150,541,718.40 = 74,784,902.40 : x
  2. Step 2: Convert to fraction form
    100,464,364.80/150,541,718.40 = 74,784,902.40/x
  3. Step 3: Cross multiply
    100,464,364.80x = 150,541,718.40 × 74,784,902.40
  4. Step 4: Simplify right side
    100,464,364.80x = 11,258,247,717,672,286
  5. Step 5: Solve for x
    x = 11,258,247,717,672,286/100,464,364.80
  6. Step 6: Final answer
    x = 112,062,100.23

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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.