Home / 49,074,957.12-67,738,780.80-31,671,336

Finding the Fourth Proportional to 49,074,957.12, 67,738,780.80 and 31,671,336

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Solution

The fourth proportional to 49,074,957.12, 67,738,780.80 and 31,671,336 is: 43,716,343.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,074,957.12 : 67,738,780.80 = 31,671,336 : x
  2. Step 2: Convert to fraction form
    49,074,957.12/67,738,780.80 = 31,671,336/x
  3. Step 3: Cross multiply
    49,074,957.12x = 67,738,780.80 × 31,671,336
  4. Step 4: Simplify right side
    49,074,957.12x = 2,145,377,686,947,148.75
  5. Step 5: Solve for x
    x = 2,145,377,686,947,148.75/49,074,957.12
  6. Step 6: Final answer
    x = 43,716,343.59

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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.