Home / 84,579,380.01-126,869,178.69-23,169,078.81

Finding the Fourth Proportional to 84,579,380.01, 126,869,178.69 and 23,169,078.81

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Solution

The fourth proportional to 84,579,380.01, 126,869,178.69 and 23,169,078.81 is: 34,753,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,579,380.01 : 126,869,178.69 = 23,169,078.81 : x
  2. Step 2: Convert to fraction form
    84,579,380.01/126,869,178.69 = 23,169,078.81/x
  3. Step 3: Cross multiply
    84,579,380.01x = 126,869,178.69 × 23,169,078.81
  4. Step 4: Simplify right side
    84,579,380.01x = 2,939,441,999,628,582.50
  5. Step 5: Solve for x
    x = 2,939,441,999,628,582.50/84,579,380.01
  6. Step 6: Final answer
    x = 34,753,647.98

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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.