Home / 109,944,010.40-164,916,015.60-71,144,880.80

Finding the Fourth Proportional to 109,944,010.40, 164,916,015.60 and 71,144,880.80

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Solution

The fourth proportional to 109,944,010.40, 164,916,015.60 and 71,144,880.80 is: 106,717,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,944,010.40 : 164,916,015.60 = 71,144,880.80 : x
  2. Step 2: Convert to fraction form
    109,944,010.40/164,916,015.60 = 71,144,880.80/x
  3. Step 3: Cross multiply
    109,944,010.40x = 164,916,015.60 × 71,144,880.80
  4. Step 4: Simplify right side
    109,944,010.40x = 11,732,930,271,872,940
  5. Step 5: Solve for x
    x = 11,732,930,271,872,940/109,944,010.40
  6. Step 6: Final answer
    x = 106,717,321.20

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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.