Home / 71,666,809.39-107,500,607.73-17,814,121.39

Finding the Fourth Proportional to 71,666,809.39, 107,500,607.73 and 17,814,121.39

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Solution

The fourth proportional to 71,666,809.39, 107,500,607.73 and 17,814,121.39 is: 26,721,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,666,809.39 : 107,500,607.73 = 17,814,121.39 : x
  2. Step 2: Convert to fraction form
    71,666,809.39/107,500,607.73 = 17,814,121.39/x
  3. Step 3: Cross multiply
    71,666,809.39x = 107,500,607.73 × 17,814,121.39
  4. Step 4: Simplify right side
    71,666,809.39x = 1,915,028,875,600,992.50
  5. Step 5: Solve for x
    x = 1,915,028,875,600,992.50/71,666,809.39
  6. Step 6: Final answer
    x = 26,721,279.93

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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.