Home / 79,719,374.48-119,579,063.40-19,135,100.48

Finding the Fourth Proportional to 79,719,374.48, 119,579,063.40 and 19,135,100.48

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Solution

The fourth proportional to 79,719,374.48, 119,579,063.40 and 19,135,100.48 is: 28,702,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,719,374.48 : 119,579,063.40 = 19,135,100.48 : x
  2. Step 2: Convert to fraction form
    79,719,374.48/119,579,063.40 = 19,135,100.48/x
  3. Step 3: Cross multiply
    79,719,374.48x = 119,579,063.40 × 19,135,100.48
  4. Step 4: Simplify right side
    79,719,374.48x = 2,288,157,392,865,395.50
  5. Step 5: Solve for x
    x = 2,288,157,392,865,395.50/79,719,374.48
  6. Step 6: Final answer
    x = 28,702,651.12

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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.