Home / 132,980,286,992.96-183,512,973,021.46-72,012,759,438.80

Finding the Fourth Proportional to 132,980,286,992.96, 183,512,973,021.46 and 72,012,759,438.80

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Solution

The fourth proportional to 132,980,286,992.96, 183,512,973,021.46 and 72,012,759,438.80 is: 99,377,703,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,980,286,992.96 : 183,512,973,021.46 = 72,012,759,438.80 : x
  2. Step 2: Convert to fraction form
    132,980,286,992.96/183,512,973,021.46 = 72,012,759,438.80/x
  3. Step 3: Cross multiply
    132,980,286,992.96x = 183,512,973,021.46 × 72,012,759,438.80
  4. Step 4: Simplify right side
    132,980,286,992.96x = 13,215,275,580,093,393,534,976
  5. Step 5: Solve for x
    x = 13,215,275,580,093,393,534,976/132,980,286,992.96
  6. Step 6: Final answer
    x = 99,377,703,860.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.