Home / 338,741,636.92-508,142,717.98-105,574,324.72

Finding the Fourth Proportional to 338,741,636.92, 508,142,717.98 and 105,574,324.72

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Solution

The fourth proportional to 338,741,636.92, 508,142,717.98 and 105,574,324.72 is: 158,370,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,741,636.92 : 508,142,717.98 = 105,574,324.72 : x
  2. Step 2: Convert to fraction form
    338,741,636.92/508,142,717.98 = 105,574,324.72/x
  3. Step 3: Cross multiply
    338,741,636.92x = 508,142,717.98 × 105,574,324.72
  4. Step 4: Simplify right side
    338,741,636.92x = 53,646,824,312,123,904
  5. Step 5: Solve for x
    x = 53,646,824,312,123,904/338,741,636.92
  6. Step 6: Final answer
    x = 158,370,918.91

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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.