Home / 161,804,139.20-242,706,208.80-107,384,580.80

Finding the Fourth Proportional to 161,804,139.20, 242,706,208.80 and 107,384,580.80

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Solution

The fourth proportional to 161,804,139.20, 242,706,208.80 and 107,384,580.80 is: 161,076,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,804,139.20 : 242,706,208.80 = 107,384,580.80 : x
  2. Step 2: Convert to fraction form
    161,804,139.20/242,706,208.80 = 107,384,580.80/x
  3. Step 3: Cross multiply
    161,804,139.20x = 242,706,208.80 × 107,384,580.80
  4. Step 4: Simplify right side
    161,804,139.20x = 26,062,904,489,545,272
  5. Step 5: Solve for x
    x = 26,062,904,489,545,272/161,804,139.20
  6. Step 6: Final answer
    x = 161,076,871.20

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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.