Home / 345,782,086.23-518,709,454.51-112,630,967.36

Finding the Fourth Proportional to 345,782,086.23, 518,709,454.51 and 112,630,967.36

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Solution

The fourth proportional to 345,782,086.23, 518,709,454.51 and 112,630,967.36 is: 168,958,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,782,086.23 : 518,709,454.51 = 112,630,967.36 : x
  2. Step 2: Convert to fraction form
    345,782,086.23/518,709,454.51 = 112,630,967.36/x
  3. Step 3: Cross multiply
    345,782,086.23x = 518,709,454.51 × 112,630,967.36
  4. Step 4: Simplify right side
    345,782,086.23x = 58,422,747,640,239,216
  5. Step 5: Solve for x
    x = 58,422,747,640,239,216/345,782,086.23
  6. Step 6: Final answer
    x = 168,958,283.17

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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.