Home / 74,666,984.20-111,912,002.70-31,536,104.20

Finding the Fourth Proportional to 74,666,984.20, 111,912,002.70 and 31,536,104.20

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Solution

The fourth proportional to 74,666,984.20, 111,912,002.70 and 31,536,104.20 is: 47,266,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666,984.20 : 111,912,002.70 = 31,536,104.20 : x
  2. Step 2: Convert to fraction form
    74,666,984.20/111,912,002.70 = 31,536,104.20/x
  3. Step 3: Cross multiply
    74,666,984.20x = 111,912,002.70 × 31,536,104.20
  4. Step 4: Simplify right side
    74,666,984.20x = 3,529,268,578,377,881.50
  5. Step 5: Solve for x
    x = 3,529,268,578,377,881.50/74,666,984.20
  6. Step 6: Final answer
    x = 47,266,788.88

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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.