Home / 71,748,162,333.40-107,621,676,629.70-18,689,092,893.40

Finding the Fourth Proportional to 71,748,162,333.40, 107,621,676,629.70 and 18,689,092,893.40

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Solution

The fourth proportional to 71,748,162,333.40, 107,621,676,629.70 and 18,689,092,893.40 is: 28,033,491,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748,162,333.40 : 107,621,676,629.70 = 18,689,092,893.40 : x
  2. Step 2: Convert to fraction form
    71,748,162,333.40/107,621,676,629.70 = 18,689,092,893.40/x
  3. Step 3: Cross multiply
    71,748,162,333.40x = 107,621,676,629.70 × 18,689,092,893.40
  4. Step 4: Simplify right side
    71,748,162,333.40x = 2,011,351,511,875,919,282,176
  5. Step 5: Solve for x
    x = 2,011,351,511,875,919,282,176/71,748,162,333.40
  6. Step 6: Final answer
    x = 28,033,491,680.66

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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.