Home / 234,115,882.76-323,064,766.90-128,269,153.01

Finding the Fourth Proportional to 234,115,882.76, 323,064,766.90 and 128,269,153.01

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Solution

The fourth proportional to 234,115,882.76, 323,064,766.90 and 128,269,153.01 is: 177,003,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,115,882.76 : 323,064,766.90 = 128,269,153.01 : x
  2. Step 2: Convert to fraction form
    234,115,882.76/323,064,766.90 = 128,269,153.01/x
  3. Step 3: Cross multiply
    234,115,882.76x = 323,064,766.90 × 128,269,153.01
  4. Step 4: Simplify right side
    234,115,882.76x = 41,439,244,017,636,080
  5. Step 5: Solve for x
    x = 41,439,244,017,636,080/234,115,882.76
  6. Step 6: Final answer
    x = 177,003,129.94

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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.