Home / 70,666,353.75-105,999,555.20-22,147,972.05

Finding the Fourth Proportional to 70,666,353.75, 105,999,555.20 and 22,147,972.05

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Solution

The fourth proportional to 70,666,353.75, 105,999,555.20 and 22,147,972.05 is: 33,221,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,666,353.75 : 105,999,555.20 = 22,147,972.05 : x
  2. Step 2: Convert to fraction form
    70,666,353.75/105,999,555.20 = 22,147,972.05/x
  3. Step 3: Cross multiply
    70,666,353.75x = 105,999,555.20 × 22,147,972.05
  4. Step 4: Simplify right side
    70,666,353.75x = 2,347,675,185,771,292
  5. Step 5: Solve for x
    x = 2,347,675,185,771,292/70,666,353.75
  6. Step 6: Final answer
    x = 33,221,965.78

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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.