Home / 178,907,378.53-268,316,744.59-76,659,821.41

Finding the Fourth Proportional to 178,907,378.53, 268,316,744.59 and 76,659,821.41

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Solution

The fourth proportional to 178,907,378.53, 268,316,744.59 and 76,659,821.41 is: 114,970,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,907,378.53 : 268,316,744.59 = 76,659,821.41 : x
  2. Step 2: Convert to fraction form
    178,907,378.53/268,316,744.59 = 76,659,821.41/x
  3. Step 3: Cross multiply
    178,907,378.53x = 268,316,744.59 × 76,659,821.41
  4. Step 4: Simplify right side
    178,907,378.53x = 20,569,113,721,581,984
  5. Step 5: Solve for x
    x = 20,569,113,721,581,984/178,907,378.53
  6. Step 6: Final answer
    x = 114,970,740.11

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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.