Home / 194,623,673.65-268,581,381.17-105,315,618.26

Finding the Fourth Proportional to 194,623,673.65, 268,581,381.17 and 105,315,618.26

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Solution

The fourth proportional to 194,623,673.65, 268,581,381.17 and 105,315,618.26 is: 145,335,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,623,673.65 : 268,581,381.17 = 105,315,618.26 : x
  2. Step 2: Convert to fraction form
    194,623,673.65/268,581,381.17 = 105,315,618.26/x
  3. Step 3: Cross multiply
    194,623,673.65x = 268,581,381.17 × 105,315,618.26
  4. Step 4: Simplify right side
    194,623,673.65x = 28,285,814,211,188,152
  5. Step 5: Solve for x
    x = 28,285,814,211,188,152/194,623,673.65
  6. Step 6: Final answer
    x = 145,335,938.23

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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.