Home / 243,899,911.68-365,571,525.60-98,240,190.72

Finding the Fourth Proportional to 243,899,911.68, 365,571,525.60 and 98,240,190.72

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Solution

The fourth proportional to 243,899,911.68, 365,571,525.60 and 98,240,190.72 is: 147,248,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,899,911.68 : 365,571,525.60 = 98,240,190.72 : x
  2. Step 2: Convert to fraction form
    243,899,911.68/365,571,525.60 = 98,240,190.72/x
  3. Step 3: Cross multiply
    243,899,911.68x = 365,571,525.60 × 98,240,190.72
  4. Step 4: Simplify right side
    243,899,911.68x = 35,913,816,396,745,364
  5. Step 5: Solve for x
    x = 35,913,816,396,745,364/243,899,911.68
  6. Step 6: Final answer
    x = 147,248,173.03

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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.