Home / 49,458,599.40-74,187,899.10-31,318,746.60

Finding the Fourth Proportional to 49,458,599.40, 74,187,899.10 and 31,318,746.60

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Solution

The fourth proportional to 49,458,599.40, 74,187,899.10 and 31,318,746.60 is: 46,978,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,458,599.40 : 74,187,899.10 = 31,318,746.60 : x
  2. Step 2: Convert to fraction form
    49,458,599.40/74,187,899.10 = 31,318,746.60/x
  3. Step 3: Cross multiply
    49,458,599.40x = 74,187,899.10 × 31,318,746.60
  4. Step 4: Simplify right side
    49,458,599.40x = 2,323,472,012,699,268
  5. Step 5: Solve for x
    x = 2,323,472,012,699,268/49,458,599.40
  6. Step 6: Final answer
    x = 46,978,119.90

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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.