Home / 215,410,772,783.70-323,116,159,175.55-127,251,088,175.70

Finding the Fourth Proportional to 215,410,772,783.70, 323,116,159,175.55 and 127,251,088,175.70

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Solution

The fourth proportional to 215,410,772,783.70, 323,116,159,175.55 and 127,251,088,175.70 is: 190,876,632,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410,772,783.70 : 323,116,159,175.55 = 127,251,088,175.70 : x
  2. Step 2: Convert to fraction form
    215,410,772,783.70/323,116,159,175.55 = 127,251,088,175.70/x
  3. Step 3: Cross multiply
    215,410,772,783.70x = 323,116,159,175.55 × 127,251,088,175.70
  4. Step 4: Simplify right side
    215,410,772,783.70x = 41,116,882,862,241,430,372,352
  5. Step 5: Solve for x
    x = 41,116,882,862,241,430,372,352/215,410,772,783.70
  6. Step 6: Final answer
    x = 190,876,632,263.55

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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.