Home / 325,289,071.68-448,898,921.28-178,611,355.68

Finding the Fourth Proportional to 325,289,071.68, 448,898,921.28 and 178,611,355.68

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Solution

The fourth proportional to 325,289,071.68, 448,898,921.28 and 178,611,355.68 is: 246,483,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,289,071.68 : 448,898,921.28 = 178,611,355.68 : x
  2. Step 2: Convert to fraction form
    325,289,071.68/448,898,921.28 = 178,611,355.68/x
  3. Step 3: Cross multiply
    325,289,071.68x = 448,898,921.28 × 178,611,355.68
  4. Step 4: Simplify right side
    325,289,071.68x = 80,178,444,893,110,400
  5. Step 5: Solve for x
    x = 80,178,444,893,110,400/325,289,071.68
  6. Step 6: Final answer
    x = 246,483,672.14

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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.