Home / 42,533,999.40-63,800,999.10-39,510,690.60

Finding the Fourth Proportional to 42,533,999.40, 63,800,999.10 and 39,510,690.60

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Solution

The fourth proportional to 42,533,999.40, 63,800,999.10 and 39,510,690.60 is: 59,266,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,533,999.40 : 63,800,999.10 = 39,510,690.60 : x
  2. Step 2: Convert to fraction form
    42,533,999.40/63,800,999.10 = 39,510,690.60/x
  3. Step 3: Cross multiply
    42,533,999.40x = 63,800,999.10 × 39,510,690.60
  4. Step 4: Simplify right side
    42,533,999.40x = 2,520,821,535,410,978.50
  5. Step 5: Solve for x
    x = 2,520,821,535,410,978.50/42,533,999.40
  6. Step 6: Final answer
    x = 59,266,035.90

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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.