Home / 99,804,021,842.70-137,777,042,589.03-66,863,828,433.36

Finding the Fourth Proportional to 99,804,021,842.70, 137,777,042,589.03 and 66,863,828,433.36

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Solution

The fourth proportional to 99,804,021,842.70, 137,777,042,589.03 and 66,863,828,433.36 is: 92,303,900,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,021,842.70 : 137,777,042,589.03 = 66,863,828,433.36 : x
  2. Step 2: Convert to fraction form
    99,804,021,842.70/137,777,042,589.03 = 66,863,828,433.36/x
  3. Step 3: Cross multiply
    99,804,021,842.70x = 137,777,042,589.03 × 66,863,828,433.36
  4. Step 4: Simplify right side
    99,804,021,842.70x = 9,212,300,537,728,635,764,736
  5. Step 5: Solve for x
    x = 9,212,300,537,728,635,764,736/99,804,021,842.70
  6. Step 6: Final answer
    x = 92,303,900,861.31

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1.5x scale

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.