Home / 178,362,203.60-267,543,305.40-126,706,138.40

Finding the Fourth Proportional to 178,362,203.60, 267,543,305.40 and 126,706,138.40

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Solution

The fourth proportional to 178,362,203.60, 267,543,305.40 and 126,706,138.40 is: 190,059,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,362,203.60 : 267,543,305.40 = 126,706,138.40 : x
  2. Step 2: Convert to fraction form
    178,362,203.60/267,543,305.40 = 126,706,138.40/x
  3. Step 3: Cross multiply
    178,362,203.60x = 267,543,305.40 × 126,706,138.40
  4. Step 4: Simplify right side
    178,362,203.60x = 33,899,379,082,005,868
  5. Step 5: Solve for x
    x = 33,899,379,082,005,868/178,362,203.60
  6. Step 6: Final answer
    x = 190,059,207.60

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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.