Home / 70,240,464.63-96,928,786.43-38,876,643.64

Finding the Fourth Proportional to 70,240,464.63, 96,928,786.43 and 38,876,643.64

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Solution

The fourth proportional to 70,240,464.63, 96,928,786.43 and 38,876,643.64 is: 53,648,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240,464.63 : 96,928,786.43 = 38,876,643.64 : x
  2. Step 2: Convert to fraction form
    70,240,464.63/96,928,786.43 = 38,876,643.64/x
  3. Step 3: Cross multiply
    70,240,464.63x = 96,928,786.43 × 38,876,643.64
  4. Step 4: Simplify right side
    70,240,464.63x = 3,768,265,888,496,778
  5. Step 5: Solve for x
    x = 3,768,265,888,496,778/70,240,464.63
  6. Step 6: Final answer
    x = 53,648,077.48

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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.