Home / 161,752,005.30-242,628,007.95-133,030,571.70

Finding the Fourth Proportional to 161,752,005.30, 242,628,007.95 and 133,030,571.70

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Solution

The fourth proportional to 161,752,005.30, 242,628,007.95 and 133,030,571.70 is: 199,545,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,752,005.30 : 242,628,007.95 = 133,030,571.70 : x
  2. Step 2: Convert to fraction form
    161,752,005.30/242,628,007.95 = 133,030,571.70/x
  3. Step 3: Cross multiply
    161,752,005.30x = 242,628,007.95 × 133,030,571.70
  4. Step 4: Simplify right side
    161,752,005.30x = 32,276,942,608,020,644
  5. Step 5: Solve for x
    x = 32,276,942,608,020,644/161,752,005.30
  6. Step 6: Final answer
    x = 199,545,857.55

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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.