Home / 219,896,476.66-303,463,063.79-129,376,286.01

Finding the Fourth Proportional to 219,896,476.66, 303,463,063.79 and 129,376,286.01

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Solution

The fourth proportional to 219,896,476.66, 303,463,063.79 and 129,376,286.01 is: 178,542,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,896,476.66 : 303,463,063.79 = 129,376,286.01 : x
  2. Step 2: Convert to fraction form
    219,896,476.66/303,463,063.79 = 129,376,286.01/x
  3. Step 3: Cross multiply
    219,896,476.66x = 303,463,063.79 × 129,376,286.01
  4. Step 4: Simplify right side
    219,896,476.66x = 39,260,924,134,774,704
  5. Step 5: Solve for x
    x = 39,260,924,134,774,704/219,896,476.66
  6. Step 6: Final answer
    x = 178,542,761.26

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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.