Home / 117,908,608.32-162,714,524.86-68,378,348.48

Finding the Fourth Proportional to 117,908,608.32, 162,714,524.86 and 68,378,348.48

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Solution

The fourth proportional to 117,908,608.32, 162,714,524.86 and 68,378,348.48 is: 94,362,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,908,608.32 : 162,714,524.86 = 68,378,348.48 : x
  2. Step 2: Convert to fraction form
    117,908,608.32/162,714,524.86 = 68,378,348.48/x
  3. Step 3: Cross multiply
    117,908,608.32x = 162,714,524.86 × 68,378,348.48
  4. Step 4: Simplify right side
    117,908,608.32x = 11,126,150,483,634,704
  5. Step 5: Solve for x
    x = 11,126,150,483,634,704/117,908,608.32
  6. Step 6: Final answer
    x = 94,362,495.17

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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.