Home / 171,482,809.24-236,645,272.74-100,959,407.56

Finding the Fourth Proportional to 171,482,809.24, 236,645,272.74 and 100,959,407.56

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Solution

The fourth proportional to 171,482,809.24, 236,645,272.74 and 100,959,407.56 is: 139,323,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,482,809.24 : 236,645,272.74 = 100,959,407.56 : x
  2. Step 2: Convert to fraction form
    171,482,809.24/236,645,272.74 = 100,959,407.56/x
  3. Step 3: Cross multiply
    171,482,809.24x = 236,645,272.74 × 100,959,407.56
  4. Step 4: Simplify right side
    171,482,809.24x = 23,891,566,537,705,020
  5. Step 5: Solve for x
    x = 23,891,566,537,705,020/171,482,809.24
  6. Step 6: Final answer
    x = 139,323,391.33

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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.