Home / 290,100,130.12-434,876,623.26-144,395,935.24

Finding the Fourth Proportional to 290,100,130.12, 434,876,623.26 and 144,395,935.24

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Solution

The fourth proportional to 290,100,130.12, 434,876,623.26 and 144,395,935.24 is: 216,457,733.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,100,130.12 : 434,876,623.26 = 144,395,935.24 : x
  2. Step 2: Convert to fraction form
    290,100,130.12/434,876,623.26 = 144,395,935.24/x
  3. Step 3: Cross multiply
    290,100,130.12x = 434,876,623.26 × 144,395,935.24
  4. Step 4: Simplify right side
    290,100,130.12x = 62,794,416,729,640,840
  5. Step 5: Solve for x
    x = 62,794,416,729,640,840/290,100,130.12
  6. Step 6: Final answer
    x = 216,457,733.76

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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.