Home / 99,804,021,887.84-137,777,042,651.31-66,863,828,478.49

Finding the Fourth Proportional to 99,804,021,887.84, 137,777,042,651.31 and 66,863,828,478.49

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Solution

The fourth proportional to 99,804,021,887.84, 137,777,042,651.31 and 66,863,828,478.49 is: 92,303,900,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,021,887.84 : 137,777,042,651.31 = 66,863,828,478.49 : x
  2. Step 2: Convert to fraction form
    99,804,021,887.84/137,777,042,651.31 = 66,863,828,478.49/x
  3. Step 3: Cross multiply
    99,804,021,887.84x = 137,777,042,651.31 × 66,863,828,478.49
  4. Step 4: Simplify right side
    99,804,021,887.84x = 9,212,300,548,110,379,122,688
  5. Step 5: Solve for x
    x = 9,212,300,548,110,379,122,688/99,804,021,887.84
  6. Step 6: Final answer
    x = 92,303,900,923.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.