Home / 122,488,310.40-183,732,465.60-118,331,260.80

Finding the Fourth Proportional to 122,488,310.40, 183,732,465.60 and 118,331,260.80

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Solution

The fourth proportional to 122,488,310.40, 183,732,465.60 and 118,331,260.80 is: 177,496,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,488,310.40 : 183,732,465.60 = 118,331,260.80 : x
  2. Step 2: Convert to fraction form
    122,488,310.40/183,732,465.60 = 118,331,260.80/x
  3. Step 3: Cross multiply
    122,488,310.40x = 183,732,465.60 × 118,331,260.80
  4. Step 4: Simplify right side
    122,488,310.40x = 21,741,294,304,340,628
  5. Step 5: Solve for x
    x = 21,741,294,304,340,628/122,488,310.40
  6. Step 6: Final answer
    x = 177,496,891.20

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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.