Home / 98,415,110.80-147,622,666.20-65,890,921.60

Finding the Fourth Proportional to 98,415,110.80, 147,622,666.20 and 65,890,921.60

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Solution

The fourth proportional to 98,415,110.80, 147,622,666.20 and 65,890,921.60 is: 98,836,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,110.80 : 147,622,666.20 = 65,890,921.60 : x
  2. Step 2: Convert to fraction form
    98,415,110.80/147,622,666.20 = 65,890,921.60/x
  3. Step 3: Cross multiply
    98,415,110.80x = 147,622,666.20 × 65,890,921.60
  4. Step 4: Simplify right side
    98,415,110.80x = 9,726,993,524,967,170
  5. Step 5: Solve for x
    x = 9,726,993,524,967,170/98,415,110.80
  6. Step 6: Final answer
    x = 98,836,382.40

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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.