Home / 371,908,342.08-513,218,100.13-202,363,279.83

Finding the Fourth Proportional to 371,908,342.08, 513,218,100.13 and 202,363,279.83

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Solution

The fourth proportional to 371,908,342.08, 513,218,100.13 and 202,363,279.83 is: 279,252,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,908,342.08 : 513,218,100.13 = 202,363,279.83 : x
  2. Step 2: Convert to fraction form
    371,908,342.08/513,218,100.13 = 202,363,279.83/x
  3. Step 3: Cross multiply
    371,908,342.08x = 513,218,100.13 × 202,363,279.83
  4. Step 4: Simplify right side
    371,908,342.08x = 103,856,498,009,922,240
  5. Step 5: Solve for x
    x = 103,856,498,009,922,240/371,908,342.08
  6. Step 6: Final answer
    x = 279,252,940.20

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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.