Home / 101,642,593,633.27-140,468,031,323.83-83,302,724,641.11

Finding the Fourth Proportional to 101,642,593,633.27, 140,468,031,323.83 and 83,302,724,641.11

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Solution

The fourth proportional to 101,642,593,633.27, 140,468,031,323.83 and 83,302,724,641.11 is: 115,122,699,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,642,593,633.27 : 140,468,031,323.83 = 83,302,724,641.11 : x
  2. Step 2: Convert to fraction form
    101,642,593,633.27/140,468,031,323.83 = 83,302,724,641.11/x
  3. Step 3: Cross multiply
    101,642,593,633.27x = 140,468,031,323.83 × 83,302,724,641.11
  4. Step 4: Simplify right side
    101,642,593,633.27x = 11,701,369,734,247,120,633,856
  5. Step 5: Solve for x
    x = 11,701,369,734,247,120,633,856/101,642,593,633.27
  6. Step 6: Final answer
    x = 115,122,699,214.72

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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.