Home / 401,144,935.53-601,103,743.86-214,425,439.11

Finding the Fourth Proportional to 401,144,935.53, 601,103,743.86 and 214,425,439.11

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Solution

The fourth proportional to 401,144,935.53, 601,103,743.86 and 214,425,439.11 is: 321,310,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,144,935.53 : 601,103,743.86 = 214,425,439.11 : x
  2. Step 2: Convert to fraction form
    401,144,935.53/601,103,743.86 = 214,425,439.11/x
  3. Step 3: Cross multiply
    401,144,935.53x = 601,103,743.86 × 214,425,439.11
  4. Step 4: Simplify right side
    401,144,935.53x = 128,891,934,227,845,472
  5. Step 5: Solve for x
    x = 128,891,934,227,845,472/401,144,935.53
  6. Step 6: Final answer
    x = 321,310,137.09

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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.