Home / 65,764,875.40-98,647,313.10-31,752,651.40

Finding the Fourth Proportional to 65,764,875.40, 98,647,313.10 and 31,752,651.40

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Solution

The fourth proportional to 65,764,875.40, 98,647,313.10 and 31,752,651.40 is: 47,628,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,764,875.40 : 98,647,313.10 = 31,752,651.40 : x
  2. Step 2: Convert to fraction form
    65,764,875.40/98,647,313.10 = 31,752,651.40/x
  3. Step 3: Cross multiply
    65,764,875.40x = 98,647,313.10 × 31,752,651.40
  4. Step 4: Simplify right side
    65,764,875.40x = 3,132,313,744,410,953
  5. Step 5: Solve for x
    x = 3,132,313,744,410,953/65,764,875.40
  6. Step 6: Final answer
    x = 47,628,977.10

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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.