Home / 139,968,875.55-209,953,313.33-122,962,763.55

Finding the Fourth Proportional to 139,968,875.55, 209,953,313.33 and 122,962,763.55

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Solution

The fourth proportional to 139,968,875.55, 209,953,313.33 and 122,962,763.55 is: 184,444,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,875.55 : 209,953,313.33 = 122,962,763.55 : x
  2. Step 2: Convert to fraction form
    139,968,875.55/209,953,313.33 = 122,962,763.55/x
  3. Step 3: Cross multiply
    139,968,875.55x = 209,953,313.33 × 122,962,763.55
  4. Step 4: Simplify right side
    139,968,875.55x = 25,816,439,622,921,036
  5. Step 5: Solve for x
    x = 25,816,439,622,921,036/139,968,875.55
  6. Step 6: Final answer
    x = 184,444,145.33

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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.