Home / 66,907,932-100,361,903.40-23,778,837.60

Finding the Fourth Proportional to 66,907,932, 100,361,903.40 and 23,778,837.60

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Solution

The fourth proportional to 66,907,932, 100,361,903.40 and 23,778,837.60 is: 35,668,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,907,932 : 100,361,903.40 = 23,778,837.60 : x
  2. Step 2: Convert to fraction form
    66,907,932/100,361,903.40 = 23,778,837.60/x
  3. Step 3: Cross multiply
    66,907,932x = 100,361,903.40 × 23,778,837.60
  4. Step 4: Simplify right side
    66,907,932x = 2,386,489,402,175,488
  5. Step 5: Solve for x
    x = 2,386,489,402,175,488/66,907,932
  6. Step 6: Final answer
    x = 35,668,258.32

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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.