Home / 77,201,836,362.90-115,736,431,150.42-26,830,725,757.47

Finding the Fourth Proportional to 77,201,836,362.90, 115,736,431,150.42 and 26,830,725,757.47

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Solution

The fourth proportional to 77,201,836,362.90, 115,736,431,150.42 and 26,830,725,757.47 is: 40,223,038,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,836,362.90 : 115,736,431,150.42 = 26,830,725,757.47 : x
  2. Step 2: Convert to fraction form
    77,201,836,362.90/115,736,431,150.42 = 26,830,725,757.47/x
  3. Step 3: Cross multiply
    77,201,836,362.90x = 115,736,431,150.42 × 26,830,725,757.47
  4. Step 4: Simplify right side
    77,201,836,362.90x = 3,105,292,444,345,227,018,240
  5. Step 5: Solve for x
    x = 3,105,292,444,345,227,018,240/77,201,836,362.90
  6. Step 6: Final answer
    x = 40,223,038,604.27

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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.