Home / 102,474,638.90-153,711,958.35-92,589,836.30

Finding the Fourth Proportional to 102,474,638.90, 153,711,958.35 and 92,589,836.30

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Solution

The fourth proportional to 102,474,638.90, 153,711,958.35 and 92,589,836.30 is: 138,884,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,474,638.90 : 153,711,958.35 = 92,589,836.30 : x
  2. Step 2: Convert to fraction form
    102,474,638.90/153,711,958.35 = 92,589,836.30/x
  3. Step 3: Cross multiply
    102,474,638.90x = 153,711,958.35 × 92,589,836.30
  4. Step 4: Simplify right side
    102,474,638.90x = 14,232,165,060,978,918
  5. Step 5: Solve for x
    x = 14,232,165,060,978,918/102,474,638.90
  6. Step 6: Final answer
    x = 138,884,754.45

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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.