Home / 73,191,639.10-109,820,969.56-31,705,200.44

Finding the Fourth Proportional to 73,191,639.10, 109,820,969.56 and 31,705,200.44

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Solution

The fourth proportional to 73,191,639.10, 109,820,969.56 and 31,705,200.44 is: 47,572,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,191,639.10 : 109,820,969.56 = 31,705,200.44 : x
  2. Step 2: Convert to fraction form
    73,191,639.10/109,820,969.56 = 31,705,200.44/x
  3. Step 3: Cross multiply
    73,191,639.10x = 109,820,969.56 × 31,705,200.44
  4. Step 4: Simplify right side
    73,191,639.10x = 3,481,895,852,414,939
  5. Step 5: Solve for x
    x = 3,481,895,852,414,939/73,191,639.10
  6. Step 6: Final answer
    x = 47,572,316.94

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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.