Home / 76,823,457,956.91-106,012,171,899.09-42,054,552,306.36

Finding the Fourth Proportional to 76,823,457,956.91, 106,012,171,899.09 and 42,054,552,306.36

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Solution

The fourth proportional to 76,823,457,956.91, 106,012,171,899.09 and 42,054,552,306.36 is: 58,032,982,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,823,457,956.91 : 106,012,171,899.09 = 42,054,552,306.36 : x
  2. Step 2: Convert to fraction form
    76,823,457,956.91/106,012,171,899.09 = 42,054,552,306.36/x
  3. Step 3: Cross multiply
    76,823,457,956.91x = 106,012,171,899.09 × 42,054,552,306.36
  4. Step 4: Simplify right side
    76,823,457,956.91x = 4,458,294,428,241,108,140,032
  5. Step 5: Solve for x
    x = 4,458,294,428,241,108,140,032/76,823,457,956.91
  6. Step 6: Final answer
    x = 58,032,982,982.12

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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.