Home / 142,833,787,899.60-197,110,659,475.20-78,604,512,208.17

Finding the Fourth Proportional to 142,833,787,899.60, 197,110,659,475.20 and 78,604,512,208.17

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Solution

The fourth proportional to 142,833,787,899.60, 197,110,659,475.20 and 78,604,512,208.17 is: 108,474,244,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,787,899.60 : 197,110,659,475.20 = 78,604,512,208.17 : x
  2. Step 2: Convert to fraction form
    142,833,787,899.60/197,110,659,475.20 = 78,604,512,208.17/x
  3. Step 3: Cross multiply
    142,833,787,899.60x = 197,110,659,475.20 × 78,604,512,208.17
  4. Step 4: Simplify right side
    142,833,787,899.60x = 15,493,787,239,078,797,770,752
  5. Step 5: Solve for x
    x = 15,493,787,239,078,797,770,752/142,833,787,899.60
  6. Step 6: Final answer
    x = 108,474,244,553.18

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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.