Home / 220,063,861.60-330,095,792.40-203,435,663.20

Finding the Fourth Proportional to 220,063,861.60, 330,095,792.40 and 203,435,663.20

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Solution

The fourth proportional to 220,063,861.60, 330,095,792.40 and 203,435,663.20 is: 305,153,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,063,861.60 : 330,095,792.40 = 203,435,663.20 : x
  2. Step 2: Convert to fraction form
    220,063,861.60/330,095,792.40 = 203,435,663.20/x
  3. Step 3: Cross multiply
    220,063,861.60x = 330,095,792.40 × 203,435,663.20
  4. Step 4: Simplify right side
    220,063,861.60x = 67,153,256,446,423,512
  5. Step 5: Solve for x
    x = 67,153,256,446,423,512/220,063,861.60
  6. Step 6: Final answer
    x = 305,153,494.80

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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.