Home / 74,889,991.60-112,334,987.40-66,529,236.40

Finding the Fourth Proportional to 74,889,991.60, 112,334,987.40 and 66,529,236.40

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Solution

The fourth proportional to 74,889,991.60, 112,334,987.40 and 66,529,236.40 is: 99,793,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,991.60 : 112,334,987.40 = 66,529,236.40 : x
  2. Step 2: Convert to fraction form
    74,889,991.60/112,334,987.40 = 66,529,236.40/x
  3. Step 3: Cross multiply
    74,889,991.60x = 112,334,987.40 × 66,529,236.40
  4. Step 4: Simplify right side
    74,889,991.60x = 7,473,560,932,725,622
  5. Step 5: Solve for x
    x = 7,473,560,932,725,622/74,889,991.60
  6. Step 6: Final answer
    x = 99,793,854.60

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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.