Home / 315,258,908.68-472,933,491.77-96,927,580.38

Finding the Fourth Proportional to 315,258,908.68, 472,933,491.77 and 96,927,580.38

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Solution

The fourth proportional to 315,258,908.68, 472,933,491.77 and 96,927,580.38 is: 145,405,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,258,908.68 : 472,933,491.77 = 96,927,580.38 : x
  2. Step 2: Convert to fraction form
    315,258,908.68/472,933,491.77 = 96,927,580.38/x
  3. Step 3: Cross multiply
    315,258,908.68x = 472,933,491.77 × 96,927,580.38
  4. Step 4: Simplify right side
    315,258,908.68x = 45,840,299,037,930,736
  5. Step 5: Solve for x
    x = 45,840,299,037,930,736/315,258,908.68
  6. Step 6: Final answer
    x = 145,405,245.58

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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.