Home / 98,415,087.80-147,622,631.70-65,890,898.60

Finding the Fourth Proportional to 98,415,087.80, 147,622,631.70 and 65,890,898.60

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Solution

The fourth proportional to 98,415,087.80, 147,622,631.70 and 65,890,898.60 is: 98,836,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,087.80 : 147,622,631.70 = 65,890,898.60 : x
  2. Step 2: Convert to fraction form
    98,415,087.80/147,622,631.70 = 65,890,898.60/x
  3. Step 3: Cross multiply
    98,415,087.80x = 147,622,631.70 × 65,890,898.60
  4. Step 4: Simplify right side
    98,415,087.80x = 9,726,987,856,409,846
  5. Step 5: Solve for x
    x = 9,726,987,856,409,846/98,415,087.80
  6. Step 6: Final answer
    x = 98,836,347.90

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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.