Home / 109,199,213.32-163,672,848.78-40,998,405.64

Finding the Fourth Proportional to 109,199,213.32, 163,672,848.78 and 40,998,405.64

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Solution

The fourth proportional to 109,199,213.32, 163,672,848.78 and 40,998,405.64 is: 61,450,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,199,213.32 : 163,672,848.78 = 40,998,405.64 : x
  2. Step 2: Convert to fraction form
    109,199,213.32/163,672,848.78 = 40,998,405.64/x
  3. Step 3: Cross multiply
    109,199,213.32x = 163,672,848.78 × 40,998,405.64
  4. Step 4: Simplify right side
    109,199,213.32x = 6,710,325,846,536,819
  5. Step 5: Solve for x
    x = 6,710,325,846,536,819/109,199,213.32
  6. Step 6: Final answer
    x = 61,450,313.08

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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.