Home / 258,265,364.88-356,403,258.17-140,788,103.52

Finding the Fourth Proportional to 258,265,364.88, 356,403,258.17 and 140,788,103.52

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Solution

The fourth proportional to 258,265,364.88, 356,403,258.17 and 140,788,103.52 is: 194,285,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,265,364.88 : 356,403,258.17 = 140,788,103.52 : x
  2. Step 2: Convert to fraction form
    258,265,364.88/356,403,258.17 = 140,788,103.52/x
  3. Step 3: Cross multiply
    258,265,364.88x = 356,403,258.17 × 140,788,103.52
  4. Step 4: Simplify right side
    258,265,364.88x = 50,177,338,806,455,224
  5. Step 5: Solve for x
    x = 50,177,338,806,455,224/258,265,364.88
  6. Step 6: Final answer
    x = 194,285,977.25

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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.