Home / 307,250,821.55-424,038,992.54-188,252,386.11

Finding the Fourth Proportional to 307,250,821.55, 424,038,992.54 and 188,252,386.11

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Solution

The fourth proportional to 307,250,821.55, 424,038,992.54 and 188,252,386.11 is: 259,808,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,250,821.55 : 424,038,992.54 = 188,252,386.11 : x
  2. Step 2: Convert to fraction form
    307,250,821.55/424,038,992.54 = 188,252,386.11/x
  3. Step 3: Cross multiply
    307,250,821.55x = 424,038,992.54 × 188,252,386.11
  4. Step 4: Simplify right side
    307,250,821.55x = 79,826,352,148,394,240
  5. Step 5: Solve for x
    x = 79,826,352,148,394,240/307,250,821.55
  6. Step 6: Final answer
    x = 259,808,425.39

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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.