Home / 79,775,663.10-119,757,973.05-45,259,554.30

Finding the Fourth Proportional to 79,775,663.10, 119,757,973.05 and 45,259,554.30

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Solution

The fourth proportional to 79,775,663.10, 119,757,973.05 and 45,259,554.30 is: 67,942,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775,663.10 : 119,757,973.05 = 45,259,554.30 : x
  2. Step 2: Convert to fraction form
    79,775,663.10/119,757,973.05 = 45,259,554.30/x
  3. Step 3: Cross multiply
    79,775,663.10x = 119,757,973.05 × 45,259,554.30
  4. Step 4: Simplify right side
    79,775,663.10x = 5,420,192,484,114,411
  5. Step 5: Solve for x
    x = 5,420,192,484,114,411/79,775,663.10
  6. Step 6: Final answer
    x = 67,942,932.39

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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.