Home / 139,519,357.71-192,535,185.69-76,794,114.62

Finding the Fourth Proportional to 139,519,357.71, 192,535,185.69 and 76,794,114.62

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Solution

The fourth proportional to 139,519,357.71, 192,535,185.69 and 76,794,114.62 is: 105,975,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,357.71 : 192,535,185.69 = 76,794,114.62 : x
  2. Step 2: Convert to fraction form
    139,519,357.71/192,535,185.69 = 76,794,114.62/x
  3. Step 3: Cross multiply
    139,519,357.71x = 192,535,185.69 × 76,794,114.62
  4. Step 4: Simplify right side
    139,519,357.71x = 14,785,569,117,298,166
  5. Step 5: Solve for x
    x = 14,785,569,117,298,166/139,519,357.71
  6. Step 6: Final answer
    x = 105,975,037.16

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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.