Home / 77,113,313.92-115,596,457.92-25,969,014.40

Finding the Fourth Proportional to 77,113,313.92, 115,596,457.92 and 25,969,014.40

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Solution

The fourth proportional to 77,113,313.92, 115,596,457.92 and 25,969,014.40 is: 38,928,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,113,313.92 : 115,596,457.92 = 25,969,014.40 : x
  2. Step 2: Convert to fraction form
    77,113,313.92/115,596,457.92 = 25,969,014.40/x
  3. Step 3: Cross multiply
    77,113,313.92x = 115,596,457.92 × 25,969,014.40
  4. Step 4: Simplify right side
    77,113,313.92x = 3,001,926,080,313,474
  5. Step 5: Solve for x
    x = 3,001,926,080,313,474/77,113,313.92
  6. Step 6: Final answer
    x = 38,928,765.06

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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.