Home / 234,115,883.26-323,064,767.59-128,269,153.51

Finding the Fourth Proportional to 234,115,883.26, 323,064,767.59 and 128,269,153.51

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Solution

The fourth proportional to 234,115,883.26, 323,064,767.59 and 128,269,153.51 is: 177,003,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,115,883.26 : 323,064,767.59 = 128,269,153.51 : x
  2. Step 2: Convert to fraction form
    234,115,883.26/323,064,767.59 = 128,269,153.51/x
  3. Step 3: Cross multiply
    234,115,883.26x = 323,064,767.59 × 128,269,153.51
  4. Step 4: Simplify right side
    234,115,883.26x = 41,439,244,267,674,184
  5. Step 5: Solve for x
    x = 41,439,244,267,674,184/234,115,883.26
  6. Step 6: Final answer
    x = 177,003,130.63

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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.