Home / 213,346,048.20-320,019,072.30-144,471,294.60

Finding the Fourth Proportional to 213,346,048.20, 320,019,072.30 and 144,471,294.60

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Solution

The fourth proportional to 213,346,048.20, 320,019,072.30 and 144,471,294.60 is: 216,706,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,346,048.20 : 320,019,072.30 = 144,471,294.60 : x
  2. Step 2: Convert to fraction form
    213,346,048.20/320,019,072.30 = 144,471,294.60/x
  3. Step 3: Cross multiply
    213,346,048.20x = 320,019,072.30 × 144,471,294.60
  4. Step 4: Simplify right side
    213,346,048.20x = 46,233,569,671,872,000
  5. Step 5: Solve for x
    x = 46,233,569,671,872,000/213,346,048.20
  6. Step 6: Final answer
    x = 216,706,941.90

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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.