Home / 125,825,128.65-188,766,285.37-38,394,466.76

Finding the Fourth Proportional to 125,825,128.65, 188,766,285.37 and 38,394,466.76

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Solution

The fourth proportional to 125,825,128.65, 188,766,285.37 and 38,394,466.76 is: 57,600,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,825,128.65 : 188,766,285.37 = 38,394,466.76 : x
  2. Step 2: Convert to fraction form
    125,825,128.65/188,766,285.37 = 38,394,466.76/x
  3. Step 3: Cross multiply
    125,825,128.65x = 188,766,285.37 × 38,394,466.76
  4. Step 4: Simplify right side
    125,825,128.65x = 7,247,580,869,423,070
  5. Step 5: Solve for x
    x = 7,247,580,869,423,070/125,825,128.65
  6. Step 6: Final answer
    x = 57,600,424.87

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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.