Home / 163,367,405.20-245,051,107.80-162,410,811.40

Finding the Fourth Proportional to 163,367,405.20, 245,051,107.80 and 162,410,811.40

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Solution

The fourth proportional to 163,367,405.20, 245,051,107.80 and 162,410,811.40 is: 243,616,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,367,405.20 : 245,051,107.80 = 162,410,811.40 : x
  2. Step 2: Convert to fraction form
    163,367,405.20/245,051,107.80 = 162,410,811.40/x
  3. Step 3: Cross multiply
    163,367,405.20x = 245,051,107.80 × 162,410,811.40
  4. Step 4: Simplify right side
    163,367,405.20x = 39,798,949,252,266,872
  5. Step 5: Solve for x
    x = 39,798,949,252,266,872/163,367,405.20
  6. Step 6: Final answer
    x = 243,616,217.10

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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.