Home / 139,519,339.64-192,535,160.76-76,794,096.50

Finding the Fourth Proportional to 139,519,339.64, 192,535,160.76 and 76,794,096.50

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Solution

The fourth proportional to 139,519,339.64, 192,535,160.76 and 76,794,096.50 is: 105,975,012.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,339.64 : 192,535,160.76 = 76,794,096.50 : x
  2. Step 2: Convert to fraction form
    139,519,339.64/192,535,160.76 = 76,794,096.50/x
  3. Step 3: Cross multiply
    139,519,339.64x = 192,535,160.76 × 76,794,096.50
  4. Step 4: Simplify right side
    139,519,339.64x = 14,785,563,715,046,452
  5. Step 5: Solve for x
    x = 14,785,563,715,046,452/139,519,339.64
  6. Step 6: Final answer
    x = 105,975,012.16

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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.