Home / 147,635,240.40-221,451,694.20-38,460,200.40

Finding the Fourth Proportional to 147,635,240.40, 221,451,694.20 and 38,460,200.40

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Solution

The fourth proportional to 147,635,240.40, 221,451,694.20 and 38,460,200.40 is: 57,689,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,635,240.40 : 221,451,694.20 = 38,460,200.40 : x
  2. Step 2: Convert to fraction form
    147,635,240.40/221,451,694.20 = 38,460,200.40/x
  3. Step 3: Cross multiply
    147,635,240.40x = 221,451,694.20 × 38,460,200.40
  4. Step 4: Simplify right side
    147,635,240.40x = 8,517,076,537,851,517
  5. Step 5: Solve for x
    x = 8,517,076,537,851,517/147,635,240.40
  6. Step 6: Final answer
    x = 57,689,996.74

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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.