Home / 144,518,579.48-199,438,606.14-81,794,676.44

Finding the Fourth Proportional to 144,518,579.48, 199,438,606.14 and 81,794,676.44

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Solution

The fourth proportional to 144,518,579.48, 199,438,606.14 and 81,794,676.44 is: 112,878,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,518,579.48 : 199,438,606.14 = 81,794,676.44 : x
  2. Step 2: Convert to fraction form
    144,518,579.48/199,438,606.14 = 81,794,676.44/x
  3. Step 3: Cross multiply
    144,518,579.48x = 199,438,606.14 × 81,794,676.44
  4. Step 4: Simplify right side
    144,518,579.48x = 16,313,016,258,865,896
  5. Step 5: Solve for x
    x = 16,313,016,258,865,896/144,518,579.48
  6. Step 6: Final answer
    x = 112,878,332.44

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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.