Home / 139,519,352.56-192,535,178.53-76,794,109.45

Finding the Fourth Proportional to 139,519,352.56, 192,535,178.53 and 76,794,109.45

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Solution

The fourth proportional to 139,519,352.56, 192,535,178.53 and 76,794,109.45 is: 105,975,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,519,352.56 : 192,535,178.53 = 76,794,109.45 : x
  2. Step 2: Convert to fraction form
    139,519,352.56/192,535,178.53 = 76,794,109.45/x
  3. Step 3: Cross multiply
    139,519,352.56x = 192,535,178.53 × 76,794,109.45
  4. Step 4: Simplify right side
    139,519,352.56x = 14,785,567,573,008,110
  5. Step 5: Solve for x
    x = 14,785,567,573,008,110/139,519,352.56
  6. Step 6: Final answer
    x = 105,975,030.00

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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.