Home / 139,519,339.95-192,535,161.14-76,794,096.83

Finding the Fourth Proportional to 139,519,339.95, 192,535,161.14 and 76,794,096.83

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Solution

The fourth proportional to 139,519,339.95, 192,535,161.14 and 76,794,096.83 is: 105,975,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,339.95 : 192,535,161.14 = 76,794,096.83 : x
  2. Step 2: Convert to fraction form
    139,519,339.95/192,535,161.14 = 76,794,096.83/x
  3. Step 3: Cross multiply
    139,519,339.95x = 192,535,161.14 × 76,794,096.83
  4. Step 4: Simplify right side
    139,519,339.95x = 14,785,563,808,294,852
  5. Step 5: Solve for x
    x = 14,785,563,808,294,852/139,519,339.95
  6. Step 6: Final answer
    x = 105,975,012.59

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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.