Home / 175,536,576.78-263,412,487.29-78,574,269.66

Finding the Fourth Proportional to 175,536,576.78, 263,412,487.29 and 78,574,269.66

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Solution

The fourth proportional to 175,536,576.78, 263,412,487.29 and 78,574,269.66 is: 117,909,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,536,576.78 : 263,412,487.29 = 78,574,269.66 : x
  2. Step 2: Convert to fraction form
    175,536,576.78/263,412,487.29 = 78,574,269.66/x
  3. Step 3: Cross multiply
    175,536,576.78x = 263,412,487.29 × 78,574,269.66
  4. Step 4: Simplify right side
    175,536,576.78x = 20,697,443,808,135,780
  5. Step 5: Solve for x
    x = 20,697,443,808,135,780/175,536,576.78
  6. Step 6: Final answer
    x = 117,909,578.66

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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.