Home / 265,964,795.70-398,947,193.55-163,928,123.70

Finding the Fourth Proportional to 265,964,795.70, 398,947,193.55 and 163,928,123.70

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Solution

The fourth proportional to 265,964,795.70, 398,947,193.55 and 163,928,123.70 is: 245,892,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,964,795.70 : 398,947,193.55 = 163,928,123.70 : x
  2. Step 2: Convert to fraction form
    265,964,795.70/398,947,193.55 = 163,928,123.70/x
  3. Step 3: Cross multiply
    265,964,795.70x = 398,947,193.55 × 163,928,123.70
  4. Step 4: Simplify right side
    265,964,795.70x = 65,398,664,894,032,240
  5. Step 5: Solve for x
    x = 65,398,664,894,032,240/265,964,795.70
  6. Step 6: Final answer
    x = 245,892,185.55

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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.