Home / 345,742,589.77-518,614,770.39-141,270,665.02

Finding the Fourth Proportional to 345,742,589.77, 518,614,770.39 and 141,270,665.02

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Solution

The fourth proportional to 345,742,589.77, 518,614,770.39 and 141,270,665.02 is: 211,906,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,742,589.77 : 518,614,770.39 = 141,270,665.02 : x
  2. Step 2: Convert to fraction form
    345,742,589.77/518,614,770.39 = 141,270,665.02/x
  3. Step 3: Cross multiply
    345,742,589.77x = 518,614,770.39 × 141,270,665.02
  4. Step 4: Simplify right side
    345,742,589.77x = 73,265,053,500,363,616
  5. Step 5: Solve for x
    x = 73,265,053,500,363,616/345,742,589.77
  6. Step 6: Final answer
    x = 211,906,359.44

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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.