Home / 307,903,457.90-424,566,179.88-196,217,260.76

Finding the Fourth Proportional to 307,903,457.90, 424,566,179.88 and 196,217,260.76

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Solution

The fourth proportional to 307,903,457.90, 424,566,179.88 and 196,217,260.76 is: 270,562,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,903,457.90 : 424,566,179.88 = 196,217,260.76 : x
  2. Step 2: Convert to fraction form
    307,903,457.90/424,566,179.88 = 196,217,260.76/x
  3. Step 3: Cross multiply
    307,903,457.90x = 424,566,179.88 × 196,217,260.76
  4. Step 4: Simplify right side
    307,903,457.90x = 83,307,212,825,268,192
  5. Step 5: Solve for x
    x = 83,307,212,825,268,192/307,903,457.90
  6. Step 6: Final answer
    x = 270,562,771.18

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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.