Home / 238,545,957,221.76-357,792,503,976.05-85,384,730,127.56

Finding the Fourth Proportional to 238,545,957,221.76, 357,792,503,976.05 and 85,384,730,127.56

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Solution

The fourth proportional to 238,545,957,221.76, 357,792,503,976.05 and 85,384,730,127.56 is: 128,067,634,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,545,957,221.76 : 357,792,503,976.05 = 85,384,730,127.56 : x
  2. Step 2: Convert to fraction form
    238,545,957,221.76/357,792,503,976.05 = 85,384,730,127.56/x
  3. Step 3: Cross multiply
    238,545,957,221.76x = 357,792,503,976.05 × 85,384,730,127.56
  4. Step 4: Simplify right side
    238,545,957,221.76x = 30,550,016,393,657,173,671,936
  5. Step 5: Solve for x
    x = 30,550,016,393,657,173,671,936/238,545,957,221.76
  6. Step 6: Final answer
    x = 128,067,634,217.99

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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.