Home / 66,907,929-100,361,898.90-23,778,834.60

Finding the Fourth Proportional to 66,907,929, 100,361,898.90 and 23,778,834.60

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Solution

The fourth proportional to 66,907,929, 100,361,898.90 and 23,778,834.60 is: 35,668,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,907,929 : 100,361,898.90 = 23,778,834.60 : x
  2. Step 2: Convert to fraction form
    66,907,929/100,361,898.90 = 23,778,834.60/x
  3. Step 3: Cross multiply
    66,907,929x = 100,361,898.90 × 23,778,834.60
  4. Step 4: Simplify right side
    66,907,929x = 2,386,488,994,085,022
  5. Step 5: Solve for x
    x = 2,386,488,994,085,022/66,907,929
  6. Step 6: Final answer
    x = 35,668,253.82

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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.