Home / 72,558,467.58-108,837,023.81-29,417,415.60

Finding the Fourth Proportional to 72,558,467.58, 108,837,023.81 and 29,417,415.60

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Solution

The fourth proportional to 72,558,467.58, 108,837,023.81 and 29,417,415.60 is: 44,125,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,558,467.58 : 108,837,023.81 = 29,417,415.60 : x
  2. Step 2: Convert to fraction form
    72,558,467.58/108,837,023.81 = 29,417,415.60/x
  3. Step 3: Cross multiply
    72,558,467.58x = 108,837,023.81 × 29,417,415.60
  4. Step 4: Simplify right side
    72,558,467.58x = 3,201,703,961,938,778.50
  5. Step 5: Solve for x
    x = 3,201,703,961,938,778.50/72,558,467.58
  6. Step 6: Final answer
    x = 44,125,848.69

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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.