Home / 147,049,135.20-220,573,702.80-82,551,880.80

Finding the Fourth Proportional to 147,049,135.20, 220,573,702.80 and 82,551,880.80

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Solution

The fourth proportional to 147,049,135.20, 220,573,702.80 and 82,551,880.80 is: 123,827,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,049,135.20 : 220,573,702.80 = 82,551,880.80 : x
  2. Step 2: Convert to fraction form
    147,049,135.20/220,573,702.80 = 82,551,880.80/x
  3. Step 3: Cross multiply
    147,049,135.20x = 220,573,702.80 × 82,551,880.80
  4. Step 4: Simplify right side
    147,049,135.20x = 18,208,774,021,160,228
  5. Step 5: Solve for x
    x = 18,208,774,021,160,228/147,049,135.20
  6. Step 6: Final answer
    x = 123,827,821.20

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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.