Home / 109,874,923.26-151,635,057.93-72,640,511.97

Finding the Fourth Proportional to 109,874,923.26, 151,635,057.93 and 72,640,511.97

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Solution

The fourth proportional to 109,874,923.26, 151,635,057.93 and 72,640,511.97 is: 100,248,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,874,923.26 : 151,635,057.93 = 72,640,511.97 : x
  2. Step 2: Convert to fraction form
    109,874,923.26/151,635,057.93 = 72,640,511.97/x
  3. Step 3: Cross multiply
    109,874,923.26x = 151,635,057.93 × 72,640,511.97
  4. Step 4: Simplify right side
    109,874,923.26x = 11,014,848,240,635,808
  5. Step 5: Solve for x
    x = 11,014,848,240,635,808/109,874,923.26
  6. Step 6: Final answer
    x = 100,248,973.23

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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.