Home / 78,957,896.04-108,953,507.94-43,670,093.66

Finding the Fourth Proportional to 78,957,896.04, 108,953,507.94 and 43,670,093.66

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Solution

The fourth proportional to 78,957,896.04, 108,953,507.94 and 43,670,093.66 is: 60,260,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,957,896.04 : 108,953,507.94 = 43,670,093.66 : x
  2. Step 2: Convert to fraction form
    78,957,896.04/108,953,507.94 = 43,670,093.66/x
  3. Step 3: Cross multiply
    78,957,896.04x = 108,953,507.94 × 43,670,093.66
  4. Step 4: Simplify right side
    78,957,896.04x = 4,758,009,896,325,353
  5. Step 5: Solve for x
    x = 4,758,009,896,325,353/78,957,896.04
  6. Step 6: Final answer
    x = 60,260,089.68

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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.