Home / 213,201,638.30-320,041,605.90-164,893,651.40

Finding the Fourth Proportional to 213,201,638.30, 320,041,605.90 and 164,893,651.40

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Solution

The fourth proportional to 213,201,638.30, 320,041,605.90 and 164,893,651.40 is: 247,525,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,201,638.30 : 320,041,605.90 = 164,893,651.40 : x
  2. Step 2: Convert to fraction form
    213,201,638.30/320,041,605.90 = 164,893,651.40/x
  3. Step 3: Cross multiply
    213,201,638.30x = 320,041,605.90 × 164,893,651.40
  4. Step 4: Simplify right side
    213,201,638.30x = 52,772,828,996,770,784
  5. Step 5: Solve for x
    x = 52,772,828,996,770,784/213,201,638.30
  6. Step 6: Final answer
    x = 247,525,438.44

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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.