Home / 101,642,593,632.27-140,468,031,322.45-83,302,724,640.11

Finding the Fourth Proportional to 101,642,593,632.27, 140,468,031,322.45 and 83,302,724,640.11

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Solution

The fourth proportional to 101,642,593,632.27, 140,468,031,322.45 and 83,302,724,640.11 is: 115,122,699,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,642,593,632.27 : 140,468,031,322.45 = 83,302,724,640.11 : x
  2. Step 2: Convert to fraction form
    101,642,593,632.27/140,468,031,322.45 = 83,302,724,640.11/x
  3. Step 3: Cross multiply
    101,642,593,632.27x = 140,468,031,322.45 × 83,302,724,640.11
  4. Step 4: Simplify right side
    101,642,593,632.27x = 11,701,369,733,992,400,551,936
  5. Step 5: Solve for x
    x = 11,701,369,733,992,400,551,936/101,642,593,632.27
  6. Step 6: Final answer
    x = 115,122,699,213.35

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1.5x scale

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.