Home / 151,711,903-209,362,977.26-82,097,276.28

Finding the Fourth Proportional to 151,711,903, 209,362,977.26 and 82,097,276.28

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Solution

The fourth proportional to 151,711,903, 209,362,977.26 and 82,097,276.28 is: 113,294,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711,903 : 209,362,977.26 = 82,097,276.28 : x
  2. Step 2: Convert to fraction form
    151,711,903/209,362,977.26 = 82,097,276.28/x
  3. Step 3: Cross multiply
    151,711,903x = 209,362,977.26 × 82,097,276.28
  4. Step 4: Simplify right side
    151,711,903x = 17,188,130,186,917,576
  5. Step 5: Solve for x
    x = 17,188,130,186,917,576/151,711,903
  6. Step 6: Final answer
    x = 113,294,539.50

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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.