Home / 85,412,087.80-128,105,690.10-24,821,495.80

Finding the Fourth Proportional to 85,412,087.80, 128,105,690.10 and 24,821,495.80

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Solution

The fourth proportional to 85,412,087.80, 128,105,690.10 and 24,821,495.80 is: 37,228,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,412,087.80 : 128,105,690.10 = 24,821,495.80 : x
  2. Step 2: Convert to fraction form
    85,412,087.80/128,105,690.10 = 24,821,495.80/x
  3. Step 3: Cross multiply
    85,412,087.80x = 128,105,690.10 × 24,821,495.80
  4. Step 4: Simplify right side
    85,412,087.80x = 3,179,774,848,773,251.50
  5. Step 5: Solve for x
    x = 3,179,774,848,773,251.50/85,412,087.80
  6. Step 6: Final answer
    x = 37,228,628.06

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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.