Home / 255,965,975.66-353,243,071.78-144,460,711.46

Finding the Fourth Proportional to 255,965,975.66, 353,243,071.78 and 144,460,711.46

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Solution

The fourth proportional to 255,965,975.66, 353,243,071.78 and 144,460,711.46 is: 199,361,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,965,975.66 : 353,243,071.78 = 144,460,711.46 : x
  2. Step 2: Convert to fraction form
    255,965,975.66/353,243,071.78 = 144,460,711.46/x
  3. Step 3: Cross multiply
    255,965,975.66x = 353,243,071.78 × 144,460,711.46
  4. Step 4: Simplify right side
    255,965,975.66x = 51,029,745,467,654,648
  5. Step 5: Solve for x
    x = 51,029,745,467,654,648/255,965,975.66
  6. Step 6: Final answer
    x = 199,361,439.88

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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.