Home / 289,411,036.36-434,115,695.59-82,149,622.43

Finding the Fourth Proportional to 289,411,036.36, 434,115,695.59 and 82,149,622.43

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Solution

The fourth proportional to 289,411,036.36, 434,115,695.59 and 82,149,622.43 is: 123,224,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,411,036.36 : 434,115,695.59 = 82,149,622.43 : x
  2. Step 2: Convert to fraction form
    289,411,036.36/434,115,695.59 = 82,149,622.43/x
  3. Step 3: Cross multiply
    289,411,036.36x = 434,115,695.59 × 82,149,622.43
  4. Step 4: Simplify right side
    289,411,036.36x = 35,662,440,481,279,360
  5. Step 5: Solve for x
    x = 35,662,440,481,279,360/289,411,036.36
  6. Step 6: Final answer
    x = 123,224,189.82

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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.