Home / 72,753,517.60-109,130,276.40-49,795,266.40

Finding the Fourth Proportional to 72,753,517.60, 109,130,276.40 and 49,795,266.40

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Solution

The fourth proportional to 72,753,517.60, 109,130,276.40 and 49,795,266.40 is: 74,692,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,753,517.60 : 109,130,276.40 = 49,795,266.40 : x
  2. Step 2: Convert to fraction form
    72,753,517.60/109,130,276.40 = 49,795,266.40/x
  3. Step 3: Cross multiply
    72,753,517.60x = 109,130,276.40 × 49,795,266.40
  4. Step 4: Simplify right side
    72,753,517.60x = 5,434,171,185,643,633
  5. Step 5: Solve for x
    x = 5,434,171,185,643,633/72,753,517.60
  6. Step 6: Final answer
    x = 74,692,899.60

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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.