Home / 122,493,732.70-183,740,599.05-54,336,424.45

Finding the Fourth Proportional to 122,493,732.70, 183,740,599.05 and 54,336,424.45

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Solution

The fourth proportional to 122,493,732.70, 183,740,599.05 and 54,336,424.45 is: 81,504,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493,732.70 : 183,740,599.05 = 54,336,424.45 : x
  2. Step 2: Convert to fraction form
    122,493,732.70/183,740,599.05 = 54,336,424.45/x
  3. Step 3: Cross multiply
    122,493,732.70x = 183,740,599.05 × 54,336,424.45
  4. Step 4: Simplify right side
    122,493,732.70x = 9,983,807,178,678,068
  5. Step 5: Solve for x
    x = 9,983,807,178,678,068/122,493,732.70
  6. Step 6: Final answer
    x = 81,504,636.68

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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.