Home / 76,146,346,778.51-105,082,910,763.79-41,855,797,162.28

Finding the Fourth Proportional to 76,146,346,778.51, 105,082,910,763.79 and 41,855,797,162.28

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Solution

The fourth proportional to 76,146,346,778.51, 105,082,910,763.79 and 41,855,797,162.28 is: 57,761,523,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,146,346,778.51 : 105,082,910,763.79 = 41,855,797,162.28 : x
  2. Step 2: Convert to fraction form
    76,146,346,778.51/105,082,910,763.79 = 41,855,797,162.28/x
  3. Step 3: Cross multiply
    76,146,346,778.51x = 105,082,910,763.79 × 41,855,797,162.28
  4. Step 4: Simplify right side
    76,146,346,778.51x = 4,398,328,998,150,638,403,584
  5. Step 5: Solve for x
    x = 4,398,328,998,150,638,403,584/76,146,346,778.51
  6. Step 6: Final answer
    x = 57,761,523,490.35

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1.5x scale

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.