Home / 248,254,672.56-342,578,786.10-136,743,112.84

Finding the Fourth Proportional to 248,254,672.56, 342,578,786.10 and 136,743,112.84

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Solution

The fourth proportional to 248,254,672.56, 342,578,786.10 and 136,743,112.84 is: 188,698,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,254,672.56 : 342,578,786.10 = 136,743,112.84 : x
  2. Step 2: Convert to fraction form
    248,254,672.56/342,578,786.10 = 136,743,112.84/x
  3. Step 3: Cross multiply
    248,254,672.56x = 342,578,786.10 × 136,743,112.84
  4. Step 4: Simplify right side
    248,254,672.56x = 46,845,289,604,262,528
  5. Step 5: Solve for x
    x = 46,845,289,604,262,528/248,254,672.56
  6. Step 6: Final answer
    x = 188,698,521.25

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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.