Home / 163,777,145,428.80-245,665,718,143.20-137,329,240,046.40

Finding the Fourth Proportional to 163,777,145,428.80, 245,665,718,143.20 and 137,329,240,046.40

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Solution

The fourth proportional to 163,777,145,428.80, 245,665,718,143.20 and 137,329,240,046.40 is: 205,993,860,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,777,145,428.80 : 245,665,718,143.20 = 137,329,240,046.40 : x
  2. Step 2: Convert to fraction form
    163,777,145,428.80/245,665,718,143.20 = 137,329,240,046.40/x
  3. Step 3: Cross multiply
    163,777,145,428.80x = 245,665,718,143.20 × 137,329,240,046.40
  4. Step 4: Simplify right side
    163,777,145,428.80x = 33,737,086,378,058,755,080,192
  5. Step 5: Solve for x
    x = 33,737,086,378,058,755,080,192/163,777,145,428.80
  6. Step 6: Final answer
    x = 205,993,860,069.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.