Home / 243,569,116.20-365,353,674.30-219,382,645.80

Finding the Fourth Proportional to 243,569,116.20, 365,353,674.30 and 219,382,645.80

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Solution

The fourth proportional to 243,569,116.20, 365,353,674.30 and 219,382,645.80 is: 329,073,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,569,116.20 : 365,353,674.30 = 219,382,645.80 : x
  2. Step 2: Convert to fraction form
    243,569,116.20/365,353,674.30 = 219,382,645.80/x
  3. Step 3: Cross multiply
    243,569,116.20x = 365,353,674.30 × 219,382,645.80
  4. Step 4: Simplify right side
    243,569,116.20x = 80,152,255,720,685,472
  5. Step 5: Solve for x
    x = 80,152,255,720,685,472/243,569,116.20
  6. Step 6: Final answer
    x = 329,073,968.70

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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.