Home / 262,433,649.60-393,648,400.80-68,344,689.60

Finding the Fourth Proportional to 262,433,649.60, 393,648,400.80 and 68,344,689.60

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Solution

The fourth proportional to 262,433,649.60, 393,648,400.80 and 68,344,689.60 is: 102,516,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,433,649.60 : 393,648,400.80 = 68,344,689.60 : x
  2. Step 2: Convert to fraction form
    262,433,649.60/393,648,400.80 = 68,344,689.60/x
  3. Step 3: Cross multiply
    262,433,649.60x = 393,648,400.80 × 68,344,689.60
  4. Step 4: Simplify right side
    262,433,649.60x = 26,903,777,764,212,392
  5. Step 5: Solve for x
    x = 26,903,777,764,212,392/262,433,649.60
  6. Step 6: Final answer
    x = 102,516,494.38

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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.