Home / 147,744,009.20-221,616,013.80-65,862,729.20

Finding the Fourth Proportional to 147,744,009.20, 221,616,013.80 and 65,862,729.20

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Solution

The fourth proportional to 147,744,009.20, 221,616,013.80 and 65,862,729.20 is: 98,794,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,009.20 : 221,616,013.80 = 65,862,729.20 : x
  2. Step 2: Convert to fraction form
    147,744,009.20/221,616,013.80 = 65,862,729.20/x
  3. Step 3: Cross multiply
    147,744,009.20x = 221,616,013.80 × 65,862,729.20
  4. Step 4: Simplify right side
    147,744,009.20x = 14,596,235,503,292,864
  5. Step 5: Solve for x
    x = 14,596,235,503,292,864/147,744,009.20
  6. Step 6: Final answer
    x = 98,794,093.80

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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.