Home / 221,076,454.72-330,924,590.40-162,849,766.72

Finding the Fourth Proportional to 221,076,454.72, 330,924,590.40 and 162,849,766.72

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Solution

The fourth proportional to 221,076,454.72, 330,924,590.40 and 162,849,766.72 is: 243,766,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,076,454.72 : 330,924,590.40 = 162,849,766.72 : x
  2. Step 2: Convert to fraction form
    221,076,454.72/330,924,590.40 = 162,849,766.72/x
  3. Step 3: Cross multiply
    221,076,454.72x = 330,924,590.40 × 162,849,766.72
  4. Step 4: Simplify right side
    221,076,454.72x = 53,890,992,348,551,544
  5. Step 5: Solve for x
    x = 53,890,992,348,551,544/221,076,454.72
  6. Step 6: Final answer
    x = 243,766,313.41

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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.