Home / 236,819,320.92-353,494,423.87-208,862,867.12

Finding the Fourth Proportional to 236,819,320.92, 353,494,423.87 and 208,862,867.12

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Solution

The fourth proportional to 236,819,320.92, 353,494,423.87 and 208,862,867.12 is: 311,764,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,819,320.92 : 353,494,423.87 = 208,862,867.12 : x
  2. Step 2: Convert to fraction form
    236,819,320.92/353,494,423.87 = 208,862,867.12/x
  3. Step 3: Cross multiply
    236,819,320.92x = 353,494,423.87 × 208,862,867.12
  4. Step 4: Simplify right side
    236,819,320.92x = 73,831,858,878,131,136
  5. Step 5: Solve for x
    x = 73,831,858,878,131,136/236,819,320.92
  6. Step 6: Final answer
    x = 311,764,507.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.