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Finding the Fourth Proportional to 53,902,908,081.30, 80,854,362,121.95 and 53,902,908,081.30

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Solution

The fourth proportional to 53,902,908,081.30, 80,854,362,121.95 and 53,902,908,081.30 is: 80,854,362,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,902,908,081.30 : 80,854,362,121.95 = 53,902,908,081.30 : x
  2. Step 2: Convert to fraction form
    53,902,908,081.30/80,854,362,121.95 = 53,902,908,081.30/x
  3. Step 3: Cross multiply
    53,902,908,081.30x = 80,854,362,121.95 × 53,902,908,081.30
  4. Step 4: Simplify right side
    53,902,908,081.30x = 4,358,285,249,431,615,307,776
  5. Step 5: Solve for x
    x = 4,358,285,249,431,615,307,776/53,902,908,081.30
  6. Step 6: Final answer
    x = 80,854,362,121.95

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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.