Home / 158,298,620.40-237,447,930.60-131,088,841.20

Finding the Fourth Proportional to 158,298,620.40, 237,447,930.60 and 131,088,841.20

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Solution

The fourth proportional to 158,298,620.40, 237,447,930.60 and 131,088,841.20 is: 196,633,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,298,620.40 : 237,447,930.60 = 131,088,841.20 : x
  2. Step 2: Convert to fraction form
    158,298,620.40/237,447,930.60 = 131,088,841.20/x
  3. Step 3: Cross multiply
    158,298,620.40x = 237,447,930.60 × 131,088,841.20
  4. Step 4: Simplify right side
    158,298,620.40x = 31,126,774,067,692,020
  5. Step 5: Solve for x
    x = 31,126,774,067,692,020/158,298,620.40
  6. Step 6: Final answer
    x = 196,633,261.80

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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.