Home / 90,722,912.40-136,084,368.60-33,196,064.40

Finding the Fourth Proportional to 90,722,912.40, 136,084,368.60 and 33,196,064.40

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Solution

The fourth proportional to 90,722,912.40, 136,084,368.60 and 33,196,064.40 is: 49,794,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722,912.40 : 136,084,368.60 = 33,196,064.40 : x
  2. Step 2: Convert to fraction form
    90,722,912.40/136,084,368.60 = 33,196,064.40/x
  3. Step 3: Cross multiply
    90,722,912.40x = 136,084,368.60 × 33,196,064.40
  4. Step 4: Simplify right side
    90,722,912.40x = 4,517,465,463,878,937
  5. Step 5: Solve for x
    x = 4,517,465,463,878,937/90,722,912.40
  6. Step 6: Final answer
    x = 49,794,096.60

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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.