Home / 74,701,101.40-112,051,652.10-52,782,112.60

Finding the Fourth Proportional to 74,701,101.40, 112,051,652.10 and 52,782,112.60

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Solution

The fourth proportional to 74,701,101.40, 112,051,652.10 and 52,782,112.60 is: 79,173,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,701,101.40 : 112,051,652.10 = 52,782,112.60 : x
  2. Step 2: Convert to fraction form
    74,701,101.40/112,051,652.10 = 52,782,112.60/x
  3. Step 3: Cross multiply
    74,701,101.40x = 112,051,652.10 × 52,782,112.60
  4. Step 4: Simplify right side
    74,701,101.40x = 5,914,322,918,158,226
  5. Step 5: Solve for x
    x = 5,914,322,918,158,226/74,701,101.40
  6. Step 6: Final answer
    x = 79,173,168.90

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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.