Home / 76,955,900,795.86-115,453,077,971.45-54,310,470,445.36

Finding the Fourth Proportional to 76,955,900,795.86, 115,453,077,971.45 and 54,310,470,445.36

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Solution

The fourth proportional to 76,955,900,795.86, 115,453,077,971.45 and 54,310,470,445.36 is: 81,479,274,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,955,900,795.86 : 115,453,077,971.45 = 54,310,470,445.36 : x
  2. Step 2: Convert to fraction form
    76,955,900,795.86/115,453,077,971.45 = 54,310,470,445.36/x
  3. Step 3: Cross multiply
    76,955,900,795.86x = 115,453,077,971.45 × 54,310,470,445.36
  4. Step 4: Simplify right side
    76,955,900,795.86x = 6,270,310,978,993,932,730,368
  5. Step 5: Solve for x
    x = 6,270,310,978,993,932,730,368/76,955,900,795.86
  6. Step 6: Final answer
    x = 81,479,274,677.42

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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.