Home / 142,833,787,902.60-197,110,659,479.34-78,604,512,211.17

Finding the Fourth Proportional to 142,833,787,902.60, 197,110,659,479.34 and 78,604,512,211.17

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Solution

The fourth proportional to 142,833,787,902.60, 197,110,659,479.34 and 78,604,512,211.17 is: 108,474,244,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,787,902.60 : 197,110,659,479.34 = 78,604,512,211.17 : x
  2. Step 2: Convert to fraction form
    142,833,787,902.60/197,110,659,479.34 = 78,604,512,211.17/x
  3. Step 3: Cross multiply
    142,833,787,902.60x = 197,110,659,479.34 × 78,604,512,211.17
  4. Step 4: Simplify right side
    142,833,787,902.60x = 15,493,787,239,995,553,087,488
  5. Step 5: Solve for x
    x = 15,493,787,239,995,553,087,488/142,833,787,902.60
  6. Step 6: Final answer
    x = 108,474,244,557.32

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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.