Home / 345,485,374.20-518,228,063.73-115,454,459.16

Finding the Fourth Proportional to 345,485,374.20, 518,228,063.73 and 115,454,459.16

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Solution

The fourth proportional to 345,485,374.20, 518,228,063.73 and 115,454,459.16 is: 173,181,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,485,374.20 : 518,228,063.73 = 115,454,459.16 : x
  2. Step 2: Convert to fraction form
    345,485,374.20/518,228,063.73 = 115,454,459.16/x
  3. Step 3: Cross multiply
    345,485,374.20x = 518,228,063.73 × 115,454,459.16
  4. Step 4: Simplify right side
    345,485,374.20x = 59,831,740,819,481,160
  5. Step 5: Solve for x
    x = 59,831,740,819,481,160/345,485,374.20
  6. Step 6: Final answer
    x = 173,181,689.55

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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.