Home / 152,243,100.09-210,095,685.78-82,628,481.96

Finding the Fourth Proportional to 152,243,100.09, 210,095,685.78 and 82,628,481.96

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Solution

The fourth proportional to 152,243,100.09, 210,095,685.78 and 82,628,481.96 is: 114,027,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243,100.09 : 210,095,685.78 = 82,628,481.96 : x
  2. Step 2: Convert to fraction form
    152,243,100.09/210,095,685.78 = 82,628,481.96/x
  3. Step 3: Cross multiply
    152,243,100.09x = 210,095,685.78 × 82,628,481.96
  4. Step 4: Simplify right side
    152,243,100.09x = 17,359,887,582,346,558
  5. Step 5: Solve for x
    x = 17,359,887,582,346,558/152,243,100.09
  6. Step 6: Final answer
    x = 114,027,417.81

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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.