Home / 118,196,532.80-177,294,799.20-54,371,124.80

Finding the Fourth Proportional to 118,196,532.80, 177,294,799.20 and 54,371,124.80

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Solution

The fourth proportional to 118,196,532.80, 177,294,799.20 and 54,371,124.80 is: 81,556,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,196,532.80 : 177,294,799.20 = 54,371,124.80 : x
  2. Step 2: Convert to fraction form
    118,196,532.80/177,294,799.20 = 54,371,124.80/x
  3. Step 3: Cross multiply
    118,196,532.80x = 177,294,799.20 × 54,371,124.80
  4. Step 4: Simplify right side
    118,196,532.80x = 9,639,717,653,694,138
  5. Step 5: Solve for x
    x = 9,639,717,653,694,138/118,196,532.80
  6. Step 6: Final answer
    x = 81,556,687.20

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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.