Home / 99,579,747.20-149,369,620.80-93,533,129.60

Finding the Fourth Proportional to 99,579,747.20, 149,369,620.80 and 93,533,129.60

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Solution

The fourth proportional to 99,579,747.20, 149,369,620.80 and 93,533,129.60 is: 140,299,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,579,747.20 : 149,369,620.80 = 93,533,129.60 : x
  2. Step 2: Convert to fraction form
    99,579,747.20/149,369,620.80 = 93,533,129.60/x
  3. Step 3: Cross multiply
    99,579,747.20x = 149,369,620.80 × 93,533,129.60
  4. Step 4: Simplify right side
    99,579,747.20x = 13,971,008,100,589,256
  5. Step 5: Solve for x
    x = 13,971,008,100,589,256/99,579,747.20
  6. Step 6: Final answer
    x = 140,299,694.40

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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.