Home / 253,213,973.58-379,809,537.81-105,600,739.98

Finding the Fourth Proportional to 253,213,973.58, 379,809,537.81 and 105,600,739.98

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Solution

The fourth proportional to 253,213,973.58, 379,809,537.81 and 105,600,739.98 is: 158,396,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,213,973.58 : 379,809,537.81 = 105,600,739.98 : x
  2. Step 2: Convert to fraction form
    253,213,973.58/379,809,537.81 = 105,600,739.98/x
  3. Step 3: Cross multiply
    253,213,973.58x = 379,809,537.81 × 105,600,739.98
  4. Step 4: Simplify right side
    253,213,973.58x = 40,108,168,244,197,792
  5. Step 5: Solve for x
    x = 40,108,168,244,197,792/253,213,973.58
  6. Step 6: Final answer
    x = 158,396,346.29

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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.