Home / 147,645,010.80-221,416,228.59-82,166,072.22

Finding the Fourth Proportional to 147,645,010.80, 221,416,228.59 and 82,166,072.22

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Solution

The fourth proportional to 147,645,010.80, 221,416,228.59 and 82,166,072.22 is: 123,220,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,645,010.80 : 221,416,228.59 = 82,166,072.22 : x
  2. Step 2: Convert to fraction form
    147,645,010.80/221,416,228.59 = 82,166,072.22/x
  3. Step 3: Cross multiply
    147,645,010.80x = 221,416,228.59 × 82,166,072.22
  4. Step 4: Simplify right side
    147,645,010.80x = 18,192,901,829,005,968
  5. Step 5: Solve for x
    x = 18,192,901,829,005,968/147,645,010.80
  6. Step 6: Final answer
    x = 123,220,566.21

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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.