Home / 98,847,997.60-148,271,996.40-66,599,370.40

Finding the Fourth Proportional to 98,847,997.60, 148,271,996.40 and 66,599,370.40

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Solution

The fourth proportional to 98,847,997.60, 148,271,996.40 and 66,599,370.40 is: 99,899,055.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847,997.60 : 148,271,996.40 = 66,599,370.40 : x
  2. Step 2: Convert to fraction form
    98,847,997.60/148,271,996.40 = 66,599,370.40/x
  3. Step 3: Cross multiply
    98,847,997.60x = 148,271,996.40 × 66,599,370.40
  4. Step 4: Simplify right side
    98,847,997.60x = 9,874,821,608,191,066
  5. Step 5: Solve for x
    x = 9,874,821,608,191,066/98,847,997.60
  6. Step 6: Final answer
    x = 99,899,055.60

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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.