Home / 57,938,619.40-86,907,929.10-51,556,078.60

Finding the Fourth Proportional to 57,938,619.40, 86,907,929.10 and 51,556,078.60

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Solution

The fourth proportional to 57,938,619.40, 86,907,929.10 and 51,556,078.60 is: 77,334,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,938,619.40 : 86,907,929.10 = 51,556,078.60 : x
  2. Step 2: Convert to fraction form
    57,938,619.40/86,907,929.10 = 51,556,078.60/x
  3. Step 3: Cross multiply
    57,938,619.40x = 86,907,929.10 × 51,556,078.60
  4. Step 4: Simplify right side
    57,938,619.40x = 4,480,632,023,642,827
  5. Step 5: Solve for x
    x = 4,480,632,023,642,827/57,938,619.40
  6. Step 6: Final answer
    x = 77,334,117.90

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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.