Home / 99,271,805.40-149,029,013.70-56,170,992.60

Finding the Fourth Proportional to 99,271,805.40, 149,029,013.70 and 56,170,992.60

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Solution

The fourth proportional to 99,271,805.40, 149,029,013.70 and 56,170,992.60 is: 84,325,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,271,805.40 : 149,029,013.70 = 56,170,992.60 : x
  2. Step 2: Convert to fraction form
    99,271,805.40/149,029,013.70 = 56,170,992.60/x
  3. Step 3: Cross multiply
    99,271,805.40x = 149,029,013.70 × 56,170,992.60
  4. Step 4: Simplify right side
    99,271,805.40x = 8,371,107,625,727,998
  5. Step 5: Solve for x
    x = 8,371,107,625,727,998/99,271,805.40
  6. Step 6: Final answer
    x = 84,325,127.28

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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.