Home / 129,361,553,933.60-194,042,330,900.40-31,325,727,245.60

Finding the Fourth Proportional to 129,361,553,933.60, 194,042,330,900.40 and 31,325,727,245.60

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Solution

The fourth proportional to 129,361,553,933.60, 194,042,330,900.40 and 31,325,727,245.60 is: 46,988,590,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361,553,933.60 : 194,042,330,900.40 = 31,325,727,245.60 : x
  2. Step 2: Convert to fraction form
    129,361,553,933.60/194,042,330,900.40 = 31,325,727,245.60/x
  3. Step 3: Cross multiply
    129,361,553,933.60x = 194,042,330,900.40 × 31,325,727,245.60
  4. Step 4: Simplify right side
    129,361,553,933.60x = 6,078,517,131,886,390,673,408
  5. Step 5: Solve for x
    x = 6,078,517,131,886,390,673,408/129,361,553,933.60
  6. Step 6: Final answer
    x = 46,988,590,868.40

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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.