Home / 169,825,376.84-234,285,255.74-107,912,500.20

Finding the Fourth Proportional to 169,825,376.84, 234,285,255.74 and 107,912,500.20

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Solution

The fourth proportional to 169,825,376.84, 234,285,255.74 and 107,912,500.20 is: 148,872,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825,376.84 : 234,285,255.74 = 107,912,500.20 : x
  2. Step 2: Convert to fraction form
    169,825,376.84/234,285,255.74 = 107,912,500.20/x
  3. Step 3: Cross multiply
    169,825,376.84x = 234,285,255.74 × 107,912,500.20
  4. Step 4: Simplify right side
    169,825,376.84x = 25,282,307,706,899,804
  5. Step 5: Solve for x
    x = 25,282,307,706,899,804/169,825,376.84
  6. Step 6: Final answer
    x = 148,872,378.07

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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.