Home / 139,519,340.32-192,535,161.65-76,794,097.20

Finding the Fourth Proportional to 139,519,340.32, 192,535,161.65 and 76,794,097.20

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Solution

The fourth proportional to 139,519,340.32, 192,535,161.65 and 76,794,097.20 is: 105,975,013.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,340.32 : 192,535,161.65 = 76,794,097.20 : x
  2. Step 2: Convert to fraction form
    139,519,340.32/192,535,161.65 = 76,794,097.20/x
  3. Step 3: Cross multiply
    139,519,340.32x = 192,535,161.65 × 76,794,097.20
  4. Step 4: Simplify right side
    139,519,340.32x = 14,785,563,918,167,814
  5. Step 5: Solve for x
    x = 14,785,563,918,167,814/139,519,340.32
  6. Step 6: Final answer
    x = 105,975,013.10

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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.