Home / 142,833,787,896.60-197,110,659,471.04-78,604,512,205.16

Finding the Fourth Proportional to 142,833,787,896.60, 197,110,659,471.04 and 78,604,512,205.16

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Solution

The fourth proportional to 142,833,787,896.60, 197,110,659,471.04 and 78,604,512,205.16 is: 108,474,244,549.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833,787,896.60 : 197,110,659,471.04 = 78,604,512,205.16 : x
  2. Step 2: Convert to fraction form
    142,833,787,896.60/197,110,659,471.04 = 78,604,512,205.16/x
  3. Step 3: Cross multiply
    142,833,787,896.60x = 197,110,659,471.04 × 78,604,512,205.16
  4. Step 4: Simplify right side
    142,833,787,896.60x = 15,493,787,238,157,514,702,848
  5. Step 5: Solve for x
    x = 15,493,787,238,157,514,702,848/142,833,787,896.60
  6. Step 6: Final answer
    x = 108,474,244,549.01

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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.