Home / 99,804,021,846.21-137,777,042,593.84-66,863,828,436.89

Finding the Fourth Proportional to 99,804,021,846.21, 137,777,042,593.84 and 66,863,828,436.89

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Solution

The fourth proportional to 99,804,021,846.21, 137,777,042,593.84 and 66,863,828,436.89 is: 92,303,900,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,021,846.21 : 137,777,042,593.84 = 66,863,828,436.89 : x
  2. Step 2: Convert to fraction form
    99,804,021,846.21/137,777,042,593.84 = 66,863,828,436.89/x
  3. Step 3: Cross multiply
    99,804,021,846.21x = 137,777,042,593.84 × 66,863,828,436.89
  4. Step 4: Simplify right side
    99,804,021,846.21x = 9,212,300,538,536,327,643,136
  5. Step 5: Solve for x
    x = 9,212,300,538,536,327,643,136/99,804,021,846.21
  6. Step 6: Final answer
    x = 92,303,900,866.16

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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.