Home / 131,488,024.32-197,258,936.58-45,215,226.72

Finding the Fourth Proportional to 131,488,024.32, 197,258,936.58 and 45,215,226.72

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Solution

The fourth proportional to 131,488,024.32, 197,258,936.58 and 45,215,226.72 is: 67,832,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,488,024.32 : 197,258,936.58 = 45,215,226.72 : x
  2. Step 2: Convert to fraction form
    131,488,024.32/197,258,936.58 = 45,215,226.72/x
  3. Step 3: Cross multiply
    131,488,024.32x = 197,258,936.58 × 45,215,226.72
  4. Step 4: Simplify right side
    131,488,024.32x = 8,919,107,540,010,802
  5. Step 5: Solve for x
    x = 8,919,107,540,010,802/131,488,024.32
  6. Step 6: Final answer
    x = 67,832,090.31

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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.