Home / 66,269,086,095.51-99,417,589,803.05-21,497,086,864.62

Finding the Fourth Proportional to 66,269,086,095.51, 99,417,589,803.05 and 21,497,086,864.62

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Solution

The fourth proportional to 66,269,086,095.51, 99,417,589,803.05 and 21,497,086,864.62 is: 32,250,159,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269,086,095.51 : 99,417,589,803.05 = 21,497,086,864.62 : x
  2. Step 2: Convert to fraction form
    66,269,086,095.51/99,417,589,803.05 = 21,497,086,864.62/x
  3. Step 3: Cross multiply
    66,269,086,095.51x = 99,417,589,803.05 × 21,497,086,864.62
  4. Step 4: Simplify right side
    66,269,086,095.51x = 2,137,188,563,867,217,690,624
  5. Step 5: Solve for x
    x = 2,137,188,563,867,217,690,624/66,269,086,095.51
  6. Step 6: Final answer
    x = 32,250,159,007.58

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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.