Home / 151,711,901-209,362,974.50-82,097,274.28

Finding the Fourth Proportional to 151,711,901, 209,362,974.50 and 82,097,274.28

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Solution

The fourth proportional to 151,711,901, 209,362,974.50 and 82,097,274.28 is: 113,294,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711,901 : 209,362,974.50 = 82,097,274.28 : x
  2. Step 2: Convert to fraction form
    151,711,901/209,362,974.50 = 82,097,274.28/x
  3. Step 3: Cross multiply
    151,711,901x = 209,362,974.50 × 82,097,274.28
  4. Step 4: Simplify right side
    151,711,901x = 17,188,129,541,603,146
  5. Step 5: Solve for x
    x = 17,188,129,541,603,146/151,711,901
  6. Step 6: Final answer
    x = 113,294,536.74

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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.