Home / 185,612,059.84-278,416,316.76-112,848,929.68

Finding the Fourth Proportional to 185,612,059.84, 278,416,316.76 and 112,848,929.68

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Solution

The fourth proportional to 185,612,059.84, 278,416,316.76 and 112,848,929.68 is: 169,272,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,612,059.84 : 278,416,316.76 = 112,848,929.68 : x
  2. Step 2: Convert to fraction form
    185,612,059.84/278,416,316.76 = 112,848,929.68/x
  3. Step 3: Cross multiply
    185,612,059.84x = 278,416,316.76 × 112,848,929.68
  4. Step 4: Simplify right side
    185,612,059.84x = 31,418,983,351,813,848
  5. Step 5: Solve for x
    x = 31,418,983,351,813,848/185,612,059.84
  6. Step 6: Final answer
    x = 169,272,316.57

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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.