Home / 142,833,787,904.10-197,110,659,481.41-78,604,512,212.67

Finding the Fourth Proportional to 142,833,787,904.10, 197,110,659,481.41 and 78,604,512,212.67

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Solution

The fourth proportional to 142,833,787,904.10, 197,110,659,481.41 and 78,604,512,212.67 is: 108,474,244,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,787,904.10 : 197,110,659,481.41 = 78,604,512,212.67 : x
  2. Step 2: Convert to fraction form
    142,833,787,904.10/197,110,659,481.41 = 78,604,512,212.67/x
  3. Step 3: Cross multiply
    142,833,787,904.10x = 197,110,659,481.41 × 78,604,512,212.67
  4. Step 4: Simplify right side
    142,833,787,904.10x = 15,493,787,240,453,929,697,280
  5. Step 5: Solve for x
    x = 15,493,787,240,453,929,697,280/142,833,787,904.10
  6. Step 6: Final answer
    x = 108,474,244,559.39

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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.