Home / 66,269,086,178.05-99,417,589,927.31-21,497,086,947.20

Finding the Fourth Proportional to 66,269,086,178.05, 99,417,589,927.31 and 21,497,086,947.20

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Solution

The fourth proportional to 66,269,086,178.05, 99,417,589,927.31 and 21,497,086,947.20 is: 32,250,159,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269,086,178.05 : 99,417,589,927.31 = 21,497,086,947.20 : x
  2. Step 2: Convert to fraction form
    66,269,086,178.05/99,417,589,927.31 = 21,497,086,947.20/x
  3. Step 3: Cross multiply
    66,269,086,178.05x = 99,417,589,927.31 × 21,497,086,947.20
  4. Step 4: Simplify right side
    66,269,086,178.05x = 2,137,188,574,748,458,090,496
  5. Step 5: Solve for x
    x = 2,137,188,574,748,458,090,496/66,269,086,178.05
  6. Step 6: Final answer
    x = 32,250,159,131.61

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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.