Home / 219,510,615.06-302,926,143.16-120,392,071.74

Finding the Fourth Proportional to 219,510,615.06, 302,926,143.16 and 120,392,071.74

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Solution

The fourth proportional to 219,510,615.06, 302,926,143.16 and 120,392,071.74 is: 166,141,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,510,615.06 : 302,926,143.16 = 120,392,071.74 : x
  2. Step 2: Convert to fraction form
    219,510,615.06/302,926,143.16 = 120,392,071.74/x
  3. Step 3: Cross multiply
    219,510,615.06x = 302,926,143.16 × 120,392,071.74
  4. Step 4: Simplify right side
    219,510,615.06x = 36,469,905,959,240,232
  5. Step 5: Solve for x
    x = 36,469,905,959,240,232/219,510,615.06
  6. Step 6: Final answer
    x = 166,141,878.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.