Home / 99,426,940.44-137,213,430.44-55,373,932.22

Finding the Fourth Proportional to 99,426,940.44, 137,213,430.44 and 55,373,932.22

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Solution

The fourth proportional to 99,426,940.44, 137,213,430.44 and 55,373,932.22 is: 76,418,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426,940.44 : 137,213,430.44 = 55,373,932.22 : x
  2. Step 2: Convert to fraction form
    99,426,940.44/137,213,430.44 = 55,373,932.22/x
  3. Step 3: Cross multiply
    99,426,940.44x = 137,213,430.44 × 55,373,932.22
  4. Step 4: Simplify right side
    99,426,940.44x = 7,598,047,196,172,178
  5. Step 5: Solve for x
    x = 7,598,047,196,172,178/99,426,940.44
  6. Step 6: Final answer
    x = 76,418,394.88

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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.