Home / 177,139,465.40-265,709,198.10-108,760,431.80

Finding the Fourth Proportional to 177,139,465.40, 265,709,198.10 and 108,760,431.80

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Solution

The fourth proportional to 177,139,465.40, 265,709,198.10 and 108,760,431.80 is: 163,140,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,139,465.40 : 265,709,198.10 = 108,760,431.80 : x
  2. Step 2: Convert to fraction form
    177,139,465.40/265,709,198.10 = 108,760,431.80/x
  3. Step 3: Cross multiply
    177,139,465.40x = 265,709,198.10 × 108,760,431.80
  4. Step 4: Simplify right side
    177,139,465.40x = 28,898,647,118,587,740
  5. Step 5: Solve for x
    x = 28,898,647,118,587,740/177,139,465.40
  6. Step 6: Final answer
    x = 163,140,647.70

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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.