Home / 255,965,979.68-353,243,077.32-144,460,715.48

Finding the Fourth Proportional to 255,965,979.68, 353,243,077.32 and 144,460,715.48

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Solution

The fourth proportional to 255,965,979.68, 353,243,077.32 and 144,460,715.48 is: 199,361,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,965,979.68 : 353,243,077.32 = 144,460,715.48 : x
  2. Step 2: Convert to fraction form
    255,965,979.68/353,243,077.32 = 144,460,715.48/x
  3. Step 3: Cross multiply
    255,965,979.68x = 353,243,077.32 × 144,460,715.48
  4. Step 4: Simplify right side
    255,965,979.68x = 51,029,747,688,004,160
  5. Step 5: Solve for x
    x = 51,029,747,688,004,160/255,965,979.68
  6. Step 6: Final answer
    x = 199,361,445.42

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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.