Home / 99,524,153.64-137,343,969.08-55,473,945

Finding the Fourth Proportional to 99,524,153.64, 137,343,969.08 and 55,473,945

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Solution

The fourth proportional to 99,524,153.64, 137,343,969.08 and 55,473,945 is: 76,554,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524,153.64 : 137,343,969.08 = 55,473,945 : x
  2. Step 2: Convert to fraction form
    99,524,153.64/137,343,969.08 = 55,473,945/x
  3. Step 3: Cross multiply
    99,524,153.64x = 137,343,969.08 × 55,473,945
  4. Step 4: Simplify right side
    99,524,153.64x = 7,619,011,786,825,621
  5. Step 5: Solve for x
    x = 7,619,011,786,825,621/99,524,153.64
  6. Step 6: Final answer
    x = 76,554,399.19

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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.