Home / 203,594,443.20-305,391,664.80-106,512,638.40

Finding the Fourth Proportional to 203,594,443.20, 305,391,664.80 and 106,512,638.40

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Solution

The fourth proportional to 203,594,443.20, 305,391,664.80 and 106,512,638.40 is: 159,768,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,594,443.20 : 305,391,664.80 = 106,512,638.40 : x
  2. Step 2: Convert to fraction form
    203,594,443.20/305,391,664.80 = 106,512,638.40/x
  3. Step 3: Cross multiply
    203,594,443.20x = 305,391,664.80 × 106,512,638.40
  4. Step 4: Simplify right side
    203,594,443.20x = 32,528,071,963,216,412
  5. Step 5: Solve for x
    x = 32,528,071,963,216,412/203,594,443.20
  6. Step 6: Final answer
    x = 159,768,957.60

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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.