Home / 71,774,687.40-107,533,727.10-43,679,999.40

Finding the Fourth Proportional to 71,774,687.40, 107,533,727.10 and 43,679,999.40

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Solution

The fourth proportional to 71,774,687.40, 107,533,727.10 and 43,679,999.40 is: 65,441,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,774,687.40 : 107,533,727.10 = 43,679,999.40 : x
  2. Step 2: Convert to fraction form
    71,774,687.40/107,533,727.10 = 43,679,999.40/x
  3. Step 3: Cross multiply
    71,774,687.40x = 107,533,727.10 × 43,679,999.40
  4. Step 4: Simplify right side
    71,774,687.40x = 4,697,073,135,207,763
  5. Step 5: Solve for x
    x = 4,697,073,135,207,763/71,774,687.40
  6. Step 6: Final answer
    x = 65,441,917.00

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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.