Home / 147,623,636.40-221,498,440.20-70,907,175.60

Finding the Fourth Proportional to 147,623,636.40, 221,498,440.20 and 70,907,175.60

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Solution

The fourth proportional to 147,623,636.40, 221,498,440.20 and 70,907,175.60 is: 106,391,016.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,636.40 : 221,498,440.20 = 70,907,175.60 : x
  2. Step 2: Convert to fraction form
    147,623,636.40/221,498,440.20 = 70,907,175.60/x
  3. Step 3: Cross multiply
    147,623,636.40x = 221,498,440.20 × 70,907,175.60
  4. Step 4: Simplify right side
    147,623,636.40x = 15,705,828,794,387,496
  5. Step 5: Solve for x
    x = 15,705,828,794,387,496/147,623,636.40
  6. Step 6: Final answer
    x = 106,391,016.90

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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.