Home / 74,734,133.40-112,101,200.10-43,997,160.60

Finding the Fourth Proportional to 74,734,133.40, 112,101,200.10 and 43,997,160.60

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Solution

The fourth proportional to 74,734,133.40, 112,101,200.10 and 43,997,160.60 is: 65,995,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734,133.40 : 112,101,200.10 = 43,997,160.60 : x
  2. Step 2: Convert to fraction form
    74,734,133.40/112,101,200.10 = 43,997,160.60/x
  3. Step 3: Cross multiply
    74,734,133.40x = 112,101,200.10 × 43,997,160.60
  4. Step 4: Simplify right side
    74,734,133.40x = 4,932,134,504,252,436
  5. Step 5: Solve for x
    x = 4,932,134,504,252,436/74,734,133.40
  6. Step 6: Final answer
    x = 65,995,740.90

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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.