Home / 86,852,007,357.72-130,203,397,467.62-30,184,508,057.52

Finding the Fourth Proportional to 86,852,007,357.72, 130,203,397,467.62 and 30,184,508,057.52

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Solution

The fourth proportional to 86,852,007,357.72, 130,203,397,467.62 and 30,184,508,057.52 is: 45,250,830,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,852,007,357.72 : 130,203,397,467.62 = 30,184,508,057.52 : x
  2. Step 2: Convert to fraction form
    86,852,007,357.72/130,203,397,467.62 = 30,184,508,057.52/x
  3. Step 3: Cross multiply
    86,852,007,357.72x = 130,203,397,467.62 × 30,184,508,057.52
  4. Step 4: Simplify right side
    86,852,007,357.72x = 3,930,125,499,977,855,139,840
  5. Step 5: Solve for x
    x = 3,930,125,499,977,855,139,840/86,852,007,357.72
  6. Step 6: Final answer
    x = 45,250,830,919.67

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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.