Home / 122,788,544.34-169,448,732.38-67,784,852.82

Finding the Fourth Proportional to 122,788,544.34, 169,448,732.38 and 67,784,852.82

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Solution

The fourth proportional to 122,788,544.34, 169,448,732.38 and 67,784,852.82 is: 93,543,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788,544.34 : 169,448,732.38 = 67,784,852.82 : x
  2. Step 2: Convert to fraction form
    122,788,544.34/169,448,732.38 = 67,784,852.82/x
  3. Step 3: Cross multiply
    122,788,544.34x = 169,448,732.38 × 67,784,852.82
  4. Step 4: Simplify right side
    122,788,544.34x = 11,486,057,384,913,866
  5. Step 5: Solve for x
    x = 11,486,057,384,913,866/122,788,544.34
  6. Step 6: Final answer
    x = 93,543,395.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.