Home / 264,219,986.20-396,329,979.30-166,009,689.40

Finding the Fourth Proportional to 264,219,986.20, 396,329,979.30 and 166,009,689.40

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Solution

The fourth proportional to 264,219,986.20, 396,329,979.30 and 166,009,689.40 is: 249,014,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,219,986.20 : 396,329,979.30 = 166,009,689.40 : x
  2. Step 2: Convert to fraction form
    264,219,986.20/396,329,979.30 = 166,009,689.40/x
  3. Step 3: Cross multiply
    264,219,986.20x = 396,329,979.30 × 166,009,689.40
  4. Step 4: Simplify right side
    264,219,986.20x = 65,794,616,763,501,432
  5. Step 5: Solve for x
    x = 65,794,616,763,501,432/264,219,986.20
  6. Step 6: Final answer
    x = 249,014,534.10

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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.