Home / 265,965,366.70-398,948,050.05-163,928,694.70

Finding the Fourth Proportional to 265,965,366.70, 398,948,050.05 and 163,928,694.70

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Solution

The fourth proportional to 265,965,366.70, 398,948,050.05 and 163,928,694.70 is: 245,893,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,965,366.70 : 398,948,050.05 = 163,928,694.70 : x
  2. Step 2: Convert to fraction form
    265,965,366.70/398,948,050.05 = 163,928,694.70/x
  3. Step 3: Cross multiply
    265,965,366.70x = 398,948,050.05 × 163,928,694.70
  4. Step 4: Simplify right side
    265,965,366.70x = 65,399,033,097,806,768
  5. Step 5: Solve for x
    x = 65,399,033,097,806,768/265,965,366.70
  6. Step 6: Final answer
    x = 245,893,042.05

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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.