Home / 154,864,868.08-232,299,765.33-86,214,019.54

Finding the Fourth Proportional to 154,864,868.08, 232,299,765.33 and 86,214,019.54

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Solution

The fourth proportional to 154,864,868.08, 232,299,765.33 and 86,214,019.54 is: 129,322,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,864,868.08 : 232,299,765.33 = 86,214,019.54 : x
  2. Step 2: Convert to fraction form
    154,864,868.08/232,299,765.33 = 86,214,019.54/x
  3. Step 3: Cross multiply
    154,864,868.08x = 232,299,765.33 × 86,214,019.54
  4. Step 4: Simplify right side
    154,864,868.08x = 20,027,496,507,298,036
  5. Step 5: Solve for x
    x = 20,027,496,507,298,036/154,864,868.08
  6. Step 6: Final answer
    x = 129,322,400.59

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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.