Home / 76,688,676,758.45-115,033,015,137.67-58,092,493,286.45

Finding the Fourth Proportional to 76,688,676,758.45, 115,033,015,137.67 and 58,092,493,286.45

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Solution

The fourth proportional to 76,688,676,758.45, 115,033,015,137.67 and 58,092,493,286.45 is: 87,138,739,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,688,676,758.45 : 115,033,015,137.67 = 58,092,493,286.45 : x
  2. Step 2: Convert to fraction form
    76,688,676,758.45/115,033,015,137.67 = 58,092,493,286.45/x
  3. Step 3: Cross multiply
    76,688,676,758.45x = 115,033,015,137.67 × 58,092,493,286.45
  4. Step 4: Simplify right side
    76,688,676,758.45x = 6,682,554,659,605,194,997,760
  5. Step 5: Solve for x
    x = 6,682,554,659,605,194,997,760/76,688,676,758.45
  6. Step 6: Final answer
    x = 87,138,739,929.67

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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.