Home / 117,339,091.20-176,008,636.80-31,090,809.60

Finding the Fourth Proportional to 117,339,091.20, 176,008,636.80 and 31,090,809.60

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Solution

The fourth proportional to 117,339,091.20, 176,008,636.80 and 31,090,809.60 is: 46,636,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,339,091.20 : 176,008,636.80 = 31,090,809.60 : x
  2. Step 2: Convert to fraction form
    117,339,091.20/176,008,636.80 = 31,090,809.60/x
  3. Step 3: Cross multiply
    117,339,091.20x = 176,008,636.80 × 31,090,809.60
  4. Step 4: Simplify right side
    117,339,091.20x = 5,472,251,014,704,354
  5. Step 5: Solve for x
    x = 5,472,251,014,704,354/117,339,091.20
  6. Step 6: Final answer
    x = 46,636,214.40

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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.