Home / 151,711,862.95-209,362,922-82,097,236.32

Finding the Fourth Proportional to 151,711,862.95, 209,362,922 and 82,097,236.32

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Solution

The fourth proportional to 151,711,862.95, 209,362,922 and 82,097,236.32 is: 113,294,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711,862.95 : 209,362,922 = 82,097,236.32 : x
  2. Step 2: Convert to fraction form
    151,711,862.95/209,362,922 = 82,097,236.32/x
  3. Step 3: Cross multiply
    151,711,862.95x = 209,362,922 × 82,097,236.32
  4. Step 4: Simplify right side
    151,711,862.95x = 17,188,117,284,079,726
  5. Step 5: Solve for x
    x = 17,188,117,284,079,726/151,711,862.95
  6. Step 6: Final answer
    x = 113,294,484.36

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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.