Home / 72,669,698,900.80-109,004,548,351.20-71,037,112,148.80

Finding the Fourth Proportional to 72,669,698,900.80, 109,004,548,351.20 and 71,037,112,148.80

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Solution

The fourth proportional to 72,669,698,900.80, 109,004,548,351.20 and 71,037,112,148.80 is: 106,555,668,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,669,698,900.80 : 109,004,548,351.20 = 71,037,112,148.80 : x
  2. Step 2: Convert to fraction form
    72,669,698,900.80/109,004,548,351.20 = 71,037,112,148.80/x
  3. Step 3: Cross multiply
    72,669,698,900.80x = 109,004,548,351.20 × 71,037,112,148.80
  4. Step 4: Simplify right side
    72,669,698,900.80x = 7,743,368,325,953,486,848,000
  5. Step 5: Solve for x
    x = 7,743,368,325,953,486,848,000/72,669,698,900.80
  6. Step 6: Final answer
    x = 106,555,668,223.20

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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.