Home / 105,576,087.40-158,364,131.10-53,920,022.20

Finding the Fourth Proportional to 105,576,087.40, 158,364,131.10 and 53,920,022.20

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Solution

The fourth proportional to 105,576,087.40, 158,364,131.10 and 53,920,022.20 is: 80,880,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576,087.40 : 158,364,131.10 = 53,920,022.20 : x
  2. Step 2: Convert to fraction form
    105,576,087.40/158,364,131.10 = 53,920,022.20/x
  3. Step 3: Cross multiply
    105,576,087.40x = 158,364,131.10 × 53,920,022.20
  4. Step 4: Simplify right side
    105,576,087.40x = 8,538,997,464,595,711
  5. Step 5: Solve for x
    x = 8,538,997,464,595,711/105,576,087.40
  6. Step 6: Final answer
    x = 80,880,033.30

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1.5x scale

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.