Home / 161,752,666.80-242,629,000.20-145,628,353.20

Finding the Fourth Proportional to 161,752,666.80, 242,629,000.20 and 145,628,353.20

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Solution

The fourth proportional to 161,752,666.80, 242,629,000.20 and 145,628,353.20 is: 218,442,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752,666.80 : 242,629,000.20 = 145,628,353.20 : x
  2. Step 2: Convert to fraction form
    161,752,666.80/242,629,000.20 = 145,628,353.20/x
  3. Step 3: Cross multiply
    161,752,666.80x = 242,629,000.20 × 145,628,353.20
  4. Step 4: Simplify right side
    161,752,666.80x = 35,333,661,737,688,468
  5. Step 5: Solve for x
    x = 35,333,661,737,688,468/161,752,666.80
  6. Step 6: Final answer
    x = 218,442,529.80

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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.