Home / 305,980,890.93-422,241,309.27-166,748,663.34

Finding the Fourth Proportional to 305,980,890.93, 422,241,309.27 and 166,748,663.34

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Solution

The fourth proportional to 305,980,890.93, 422,241,309.27 and 166,748,663.34 is: 230,106,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,980,890.93 : 422,241,309.27 = 166,748,663.34 : x
  2. Step 2: Convert to fraction form
    305,980,890.93/422,241,309.27 = 166,748,663.34/x
  3. Step 3: Cross multiply
    305,980,890.93x = 422,241,309.27 × 166,748,663.34
  4. Step 4: Simplify right side
    305,980,890.93x = 70,408,173,927,704,048
  5. Step 5: Solve for x
    x = 70,408,173,927,704,048/305,980,890.93
  6. Step 6: Final answer
    x = 230,106,441.33

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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.