Home / 99,243,143.32-148,767,514.94-55,545,240.64

Finding the Fourth Proportional to 99,243,143.32, 148,767,514.94 and 55,545,240.64

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Solution

The fourth proportional to 99,243,143.32, 148,767,514.94 and 55,545,240.64 is: 83,263,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,243,143.32 : 148,767,514.94 = 55,545,240.64 : x
  2. Step 2: Convert to fraction form
    99,243,143.32/148,767,514.94 = 55,545,240.64/x
  3. Step 3: Cross multiply
    99,243,143.32x = 148,767,514.94 × 55,545,240.64
  4. Step 4: Simplify right side
    99,243,143.32x = 8,263,327,416,757,095
  5. Step 5: Solve for x
    x = 8,263,327,416,757,095/99,243,143.32
  6. Step 6: Final answer
    x = 83,263,459.22

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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.