Home / 152,242,836.80-210,095,318.58-82,628,218.68

Finding the Fourth Proportional to 152,242,836.80, 210,095,318.58 and 82,628,218.68

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Solution

The fourth proportional to 152,242,836.80, 210,095,318.58 and 82,628,218.68 is: 114,027,052.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242,836.80 : 210,095,318.58 = 82,628,218.68 : x
  2. Step 2: Convert to fraction form
    152,242,836.80/210,095,318.58 = 82,628,218.68/x
  3. Step 3: Cross multiply
    152,242,836.80x = 210,095,318.58 × 82,628,218.68
  4. Step 4: Simplify right side
    152,242,836.80x = 17,359,801,927,272,510
  5. Step 5: Solve for x
    x = 17,359,801,927,272,510/152,242,836.80
  6. Step 6: Final answer
    x = 114,027,052.39

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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.