Home / 109,944,009.40-164,916,014.10-71,144,879.80

Finding the Fourth Proportional to 109,944,009.40, 164,916,014.10 and 71,144,879.80

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Solution

The fourth proportional to 109,944,009.40, 164,916,014.10 and 71,144,879.80 is: 106,717,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,944,009.40 : 164,916,014.10 = 71,144,879.80 : x
  2. Step 2: Convert to fraction form
    109,944,009.40/164,916,014.10 = 71,144,879.80/x
  3. Step 3: Cross multiply
    109,944,009.40x = 164,916,014.10 × 71,144,879.80
  4. Step 4: Simplify right side
    109,944,009.40x = 11,732,930,000,239,604
  5. Step 5: Solve for x
    x = 11,732,930,000,239,604/109,944,009.40
  6. Step 6: Final answer
    x = 106,717,319.70

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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.