Home / 76,761,071.28-115,102,485-25,624,712.88

Finding the Fourth Proportional to 76,761,071.28, 115,102,485 and 25,624,712.88

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Solution

The fourth proportional to 76,761,071.28, 115,102,485 and 25,624,712.88 is: 38,424,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,761,071.28 : 115,102,485 = 25,624,712.88 : x
  2. Step 2: Convert to fraction form
    76,761,071.28/115,102,485 = 25,624,712.88/x
  3. Step 3: Cross multiply
    76,761,071.28x = 115,102,485 × 25,624,712.88
  4. Step 4: Simplify right side
    76,761,071.28x = 2,949,468,129,899,506.50
  5. Step 5: Solve for x
    x = 2,949,468,129,899,506.50/76,761,071.28
  6. Step 6: Final answer
    x = 38,424,009.47

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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.