Home / 43,320,170.40-64,980,255.60-42,060,458.40

Finding the Fourth Proportional to 43,320,170.40, 64,980,255.60 and 42,060,458.40

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Solution

The fourth proportional to 43,320,170.40, 64,980,255.60 and 42,060,458.40 is: 63,090,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,320,170.40 : 64,980,255.60 = 42,060,458.40 : x
  2. Step 2: Convert to fraction form
    43,320,170.40/64,980,255.60 = 42,060,458.40/x
  3. Step 3: Cross multiply
    43,320,170.40x = 64,980,255.60 × 42,060,458.40
  4. Step 4: Simplify right side
    43,320,170.40x = 2,733,099,337,485,167
  5. Step 5: Solve for x
    x = 2,733,099,337,485,167/43,320,170.40
  6. Step 6: Final answer
    x = 63,090,687.60

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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.