Home / 154,197,999.60-231,296,999.40-147,395,554.80

Finding the Fourth Proportional to 154,197,999.60, 231,296,999.40 and 147,395,554.80

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Solution

The fourth proportional to 154,197,999.60, 231,296,999.40 and 147,395,554.80 is: 221,093,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,197,999.60 : 231,296,999.40 = 147,395,554.80 : x
  2. Step 2: Convert to fraction form
    154,197,999.60/231,296,999.40 = 147,395,554.80/x
  3. Step 3: Cross multiply
    154,197,999.60x = 231,296,999.40 × 147,395,554.80
  4. Step 4: Simplify right side
    154,197,999.60x = 34,092,149,550,138,272
  5. Step 5: Solve for x
    x = 34,092,149,550,138,272/154,197,999.60
  6. Step 6: Final answer
    x = 221,093,332.20

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1.5x scale

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.