Home / 99,003,175.76-136,621,609.80-54,349,140.80

Finding the Fourth Proportional to 99,003,175.76, 136,621,609.80 and 54,349,140.80

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Solution

The fourth proportional to 99,003,175.76, 136,621,609.80 and 54,349,140.80 is: 75,000,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,003,175.76 : 136,621,609.80 = 54,349,140.80 : x
  2. Step 2: Convert to fraction form
    99,003,175.76/136,621,609.80 = 54,349,140.80/x
  3. Step 3: Cross multiply
    99,003,175.76x = 136,621,609.80 × 54,349,140.80
  4. Step 4: Simplify right side
    99,003,175.76x = 7,425,267,107,342,860
  5. Step 5: Solve for x
    x = 7,425,267,107,342,860/99,003,175.76
  6. Step 6: Final answer
    x = 75,000,292.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.