Home / 213,288,462.75-294,254,746.56-123,965,565.33

Finding the Fourth Proportional to 213,288,462.75, 294,254,746.56 and 123,965,565.33

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Solution

The fourth proportional to 213,288,462.75, 294,254,746.56 and 123,965,565.33 is: 171,024,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,288,462.75 : 294,254,746.56 = 123,965,565.33 : x
  2. Step 2: Convert to fraction form
    213,288,462.75/294,254,746.56 = 123,965,565.33/x
  3. Step 3: Cross multiply
    213,288,462.75x = 294,254,746.56 × 123,965,565.33
  4. Step 4: Simplify right side
    213,288,462.75x = 36,477,456,008,346,272
  5. Step 5: Solve for x
    x = 36,477,456,008,346,272/213,288,462.75
  6. Step 6: Final answer
    x = 171,024,046.67

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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.