Home / 345,099,216.30-517,648,824.45-163,700,688.30

Finding the Fourth Proportional to 345,099,216.30, 517,648,824.45 and 163,700,688.30

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Solution

The fourth proportional to 345,099,216.30, 517,648,824.45 and 163,700,688.30 is: 245,551,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,099,216.30 : 517,648,824.45 = 163,700,688.30 : x
  2. Step 2: Convert to fraction form
    345,099,216.30/517,648,824.45 = 163,700,688.30/x
  3. Step 3: Cross multiply
    345,099,216.30x = 517,648,824.45 × 163,700,688.30
  4. Step 4: Simplify right side
    345,099,216.30x = 84,739,468,860,150,880
  5. Step 5: Solve for x
    x = 84,739,468,860,150,880/345,099,216.30
  6. Step 6: Final answer
    x = 245,551,032.45

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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.