Home / 121,168,557,865.70-181,752,836,798.55-111,250,593,347.30

Finding the Fourth Proportional to 121,168,557,865.70, 181,752,836,798.55 and 111,250,593,347.30

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Solution

The fourth proportional to 121,168,557,865.70, 181,752,836,798.55 and 111,250,593,347.30 is: 166,875,890,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,168,557,865.70 : 181,752,836,798.55 = 111,250,593,347.30 : x
  2. Step 2: Convert to fraction form
    121,168,557,865.70/181,752,836,798.55 = 111,250,593,347.30/x
  3. Step 3: Cross multiply
    121,168,557,865.70x = 181,752,836,798.55 × 111,250,593,347.30
  4. Step 4: Simplify right side
    121,168,557,865.70x = 20,220,110,936,393,669,148,672
  5. Step 5: Solve for x
    x = 20,220,110,936,393,669,148,672/121,168,557,865.70
  6. Step 6: Final answer
    x = 166,875,890,020.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.