Home / 122,738,490,147.63-169,354,550,917.09-68,536,699,039.13

Finding the Fourth Proportional to 122,738,490,147.63, 169,354,550,917.09 and 68,536,699,039.13

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Solution

The fourth proportional to 122,738,490,147.63, 169,354,550,917.09 and 68,536,699,039.13 is: 94,566,927,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,738,490,147.63 : 169,354,550,917.09 = 68,536,699,039.13 : x
  2. Step 2: Convert to fraction form
    122,738,490,147.63/169,354,550,917.09 = 68,536,699,039.13/x
  3. Step 3: Cross multiply
    122,738,490,147.63x = 169,354,550,917.09 × 68,536,699,039.13
  4. Step 4: Simplify right side
    122,738,490,147.63x = 11,607,001,887,111,613,775,872
  5. Step 5: Solve for x
    x = 11,607,001,887,111,613,775,872/122,738,490,147.63
  6. Step 6: Final answer
    x = 94,566,927,401.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.