Home / 194,623,683.67-268,581,394.97-105,315,628.29

Finding the Fourth Proportional to 194,623,683.67, 268,581,394.97 and 105,315,628.29

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Solution

The fourth proportional to 194,623,683.67, 268,581,394.97 and 105,315,628.29 is: 145,335,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,683.67 : 268,581,394.97 = 105,315,628.29 : x
  2. Step 2: Convert to fraction form
    194,623,683.67/268,581,394.97 = 105,315,628.29/x
  3. Step 3: Cross multiply
    194,623,683.67x = 268,581,394.97 × 105,315,628.29
  4. Step 4: Simplify right side
    194,623,683.67x = 28,285,818,358,270,200
  5. Step 5: Solve for x
    x = 28,285,818,358,270,200/194,623,683.67
  6. Step 6: Final answer
    x = 145,335,952.05

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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.