Home / 139,260,835.14-192,184,275.27-76,535,791.82

Finding the Fourth Proportional to 139,260,835.14, 192,184,275.27 and 76,535,791.82

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Solution

The fourth proportional to 139,260,835.14, 192,184,275.27 and 76,535,791.82 is: 105,621,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,260,835.14 : 192,184,275.27 = 76,535,791.82 : x
  2. Step 2: Convert to fraction form
    139,260,835.14/192,184,275.27 = 76,535,791.82/x
  3. Step 3: Cross multiply
    139,260,835.14x = 192,184,275.27 × 76,535,791.82
  4. Step 4: Simplify right side
    139,260,835.14x = 14,708,975,683,189,072
  5. Step 5: Solve for x
    x = 14,708,975,683,189,072/139,260,835.14
  6. Step 6: Final answer
    x = 105,621,768.45

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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.