Home / 195,731,374.77-270,118,993.60-121,415,879.76

Finding the Fourth Proportional to 195,731,374.77, 270,118,993.60 and 121,415,879.76

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Solution

The fourth proportional to 195,731,374.77, 270,118,993.60 and 121,415,879.76 is: 167,559,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,731,374.77 : 270,118,993.60 = 121,415,879.76 : x
  2. Step 2: Convert to fraction form
    195,731,374.77/270,118,993.60 = 121,415,879.76/x
  3. Step 3: Cross multiply
    195,731,374.77x = 270,118,993.60 × 121,415,879.76
  4. Step 4: Simplify right side
    195,731,374.77x = 32,796,735,247,655,708
  5. Step 5: Solve for x
    x = 32,796,735,247,655,708/195,731,374.77
  6. Step 6: Final answer
    x = 167,559,928.94

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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.