Home / 194,623,688.17-268,581,401.19-105,315,632.80

Finding the Fourth Proportional to 194,623,688.17, 268,581,401.19 and 105,315,632.80

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Solution

The fourth proportional to 194,623,688.17, 268,581,401.19 and 105,315,632.80 is: 145,335,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,688.17 : 268,581,401.19 = 105,315,632.80 : x
  2. Step 2: Convert to fraction form
    194,623,688.17/268,581,401.19 = 105,315,632.80/x
  3. Step 3: Cross multiply
    194,623,688.17x = 268,581,401.19 × 105,315,632.80
  4. Step 4: Simplify right side
    194,623,688.17x = 28,285,820,224,635,520
  5. Step 5: Solve for x
    x = 28,285,820,224,635,520/194,623,688.17
  6. Step 6: Final answer
    x = 145,335,958.28

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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.