Home / 117,339,097.20-176,008,645.80-31,090,815.60

Finding the Fourth Proportional to 117,339,097.20, 176,008,645.80 and 31,090,815.60

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Solution

The fourth proportional to 117,339,097.20, 176,008,645.80 and 31,090,815.60 is: 46,636,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,339,097.20 : 176,008,645.80 = 31,090,815.60 : x
  2. Step 2: Convert to fraction form
    117,339,097.20/176,008,645.80 = 31,090,815.60/x
  3. Step 3: Cross multiply
    117,339,097.20x = 176,008,645.80 × 31,090,815.60
  4. Step 4: Simplify right side
    117,339,097.20x = 5,472,252,350,573,515
  5. Step 5: Solve for x
    x = 5,472,252,350,573,515/117,339,097.20
  6. Step 6: Final answer
    x = 46,636,223.40

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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.