Home / 133,436,436,956.82-184,145,878,983.38-78,507,444,234.60

Finding the Fourth Proportional to 133,436,436,956.82, 184,145,878,983.38 and 78,507,444,234.60

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Solution

The fourth proportional to 133,436,436,956.82, 184,145,878,983.38 and 78,507,444,234.60 is: 108,342,388,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,436,436,956.82 : 184,145,878,983.38 = 78,507,444,234.60 : x
  2. Step 2: Convert to fraction form
    133,436,436,956.82/184,145,878,983.38 = 78,507,444,234.60/x
  3. Step 3: Cross multiply
    133,436,436,956.82x = 184,145,878,983.38 × 78,507,444,234.60
  4. Step 4: Simplify right side
    133,436,436,956.82x = 14,456,822,325,319,106,035,712
  5. Step 5: Solve for x
    x = 14,456,822,325,319,106,035,712/133,436,436,956.82
  6. Step 6: Final answer
    x = 108,342,388,743.47

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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.