Home / 91,691,648,019.20-137,537,472,028.80-84,353,293,740.80

Finding the Fourth Proportional to 91,691,648,019.20, 137,537,472,028.80 and 84,353,293,740.80

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Solution

The fourth proportional to 91,691,648,019.20, 137,537,472,028.80 and 84,353,293,740.80 is: 126,529,940,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,691,648,019.20 : 137,537,472,028.80 = 84,353,293,740.80 : x
  2. Step 2: Convert to fraction form
    91,691,648,019.20/137,537,472,028.80 = 84,353,293,740.80/x
  3. Step 3: Cross multiply
    91,691,648,019.20x = 137,537,472,028.80 × 84,353,293,740.80
  4. Step 4: Simplify right side
    91,691,648,019.20x = 11,601,738,778,412,429,869,056
  5. Step 5: Solve for x
    x = 11,601,738,778,412,429,869,056/91,691,648,019.20
  6. Step 6: Final answer
    x = 126,529,940,611.20

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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.