Home / 187,303,620.20-280,948,694.63-49,128,123.67

Finding the Fourth Proportional to 187,303,620.20, 280,948,694.63 and 49,128,123.67

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Solution

The fourth proportional to 187,303,620.20, 280,948,694.63 and 49,128,123.67 is: 73,690,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,303,620.20 : 280,948,694.63 = 49,128,123.67 : x
  2. Step 2: Convert to fraction form
    187,303,620.20/280,948,694.63 = 49,128,123.67/x
  3. Step 3: Cross multiply
    187,303,620.20x = 280,948,694.63 × 49,128,123.67
  4. Step 4: Simplify right side
    187,303,620.20x = 13,802,482,213,302,960
  5. Step 5: Solve for x
    x = 13,802,482,213,302,960/187,303,620.20
  6. Step 6: Final answer
    x = 73,690,418.79

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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.