Home / 268,009,026.23-369,863,575.45-148,931,173.69

Finding the Fourth Proportional to 268,009,026.23, 369,863,575.45 and 148,931,173.69

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Solution

The fourth proportional to 268,009,026.23, 369,863,575.45 and 148,931,173.69 is: 205,531,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,009,026.23 : 369,863,575.45 = 148,931,173.69 : x
  2. Step 2: Convert to fraction form
    268,009,026.23/369,863,575.45 = 148,931,173.69/x
  3. Step 3: Cross multiply
    268,009,026.23x = 369,863,575.45 × 148,931,173.69
  4. Step 4: Simplify right side
    268,009,026.23x = 55,084,216,395,651,384
  5. Step 5: Solve for x
    x = 55,084,216,395,651,384/268,009,026.23
  6. Step 6: Final answer
    x = 205,531,198.59

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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.