Home / 345,782,085.23-518,709,453.01-112,630,966.36

Finding the Fourth Proportional to 345,782,085.23, 518,709,453.01 and 112,630,966.36

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Solution

The fourth proportional to 345,782,085.23, 518,709,453.01 and 112,630,966.36 is: 168,958,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,782,085.23 : 518,709,453.01 = 112,630,966.36 : x
  2. Step 2: Convert to fraction form
    345,782,085.23/518,709,453.01 = 112,630,966.36/x
  3. Step 3: Cross multiply
    345,782,085.23x = 518,709,453.01 × 112,630,966.36
  4. Step 4: Simplify right side
    345,782,085.23x = 58,422,746,951,002,712
  5. Step 5: Solve for x
    x = 58,422,746,951,002,712/345,782,085.23
  6. Step 6: Final answer
    x = 168,958,281.66

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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.