Home / 74,802,074.40-112,203,111.60-73,122,458.40

Finding the Fourth Proportional to 74,802,074.40, 112,203,111.60 and 73,122,458.40

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Solution

The fourth proportional to 74,802,074.40, 112,203,111.60 and 73,122,458.40 is: 109,683,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802,074.40 : 112,203,111.60 = 73,122,458.40 : x
  2. Step 2: Convert to fraction form
    74,802,074.40/112,203,111.60 = 73,122,458.40/x
  3. Step 3: Cross multiply
    74,802,074.40x = 112,203,111.60 × 73,122,458.40
  4. Step 4: Simplify right side
    74,802,074.40x = 8,204,567,360,321,558
  5. Step 5: Solve for x
    x = 8,204,567,360,321,558/74,802,074.40
  6. Step 6: Final answer
    x = 109,683,687.60

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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.