Home / 139,014,190.80-208,595,935.80-58,243,323.60

Finding the Fourth Proportional to 139,014,190.80, 208,595,935.80 and 58,243,323.60

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Solution

The fourth proportional to 139,014,190.80, 208,595,935.80 and 58,243,323.60 is: 87,396,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,014,190.80 : 208,595,935.80 = 58,243,323.60 : x
  2. Step 2: Convert to fraction form
    139,014,190.80/208,595,935.80 = 58,243,323.60/x
  3. Step 3: Cross multiply
    139,014,190.80x = 208,595,935.80 × 58,243,323.60
  4. Step 4: Simplify right side
    139,014,190.80x = 12,149,320,590,444,226
  5. Step 5: Solve for x
    x = 12,149,320,590,444,226/139,014,190.80
  6. Step 6: Final answer
    x = 87,396,261.64

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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.