Home / 164,539,970.40-246,872,941.20-161,957,560.80

Finding the Fourth Proportional to 164,539,970.40, 246,872,941.20 and 161,957,560.80

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Solution

The fourth proportional to 164,539,970.40, 246,872,941.20 and 161,957,560.80 is: 242,998,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,539,970.40 : 246,872,941.20 = 161,957,560.80 : x
  2. Step 2: Convert to fraction form
    164,539,970.40/246,872,941.20 = 161,957,560.80/x
  3. Step 3: Cross multiply
    164,539,970.40x = 246,872,941.20 × 161,957,560.80
  4. Step 4: Simplify right side
    164,539,970.40x = 39,982,939,384,273,824
  5. Step 5: Solve for x
    x = 39,982,939,384,273,824/164,539,970.40
  6. Step 6: Final answer
    x = 242,998,338.26

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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.