Home / 147,744,375.40-221,616,563.10-124,786,124.20

Finding the Fourth Proportional to 147,744,375.40, 221,616,563.10 and 124,786,124.20

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Solution

The fourth proportional to 147,744,375.40, 221,616,563.10 and 124,786,124.20 is: 187,179,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,375.40 : 221,616,563.10 = 124,786,124.20 : x
  2. Step 2: Convert to fraction form
    147,744,375.40/221,616,563.10 = 124,786,124.20/x
  3. Step 3: Cross multiply
    147,744,375.40x = 221,616,563.10 × 124,786,124.20
  4. Step 4: Simplify right side
    147,744,375.40x = 27,654,671,967,773,736
  5. Step 5: Solve for x
    x = 27,654,671,967,773,736/147,744,375.40
  6. Step 6: Final answer
    x = 187,179,186.30

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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.