Home / 131,733,999.39-181,733,303.29-79,506,339.87

Finding the Fourth Proportional to 131,733,999.39, 181,733,303.29 and 79,506,339.87

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Solution

The fourth proportional to 131,733,999.39, 181,733,303.29 and 79,506,339.87 is: 109,682,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,733,999.39 : 181,733,303.29 = 79,506,339.87 : x
  2. Step 2: Convert to fraction form
    131,733,999.39/181,733,303.29 = 79,506,339.87/x
  3. Step 3: Cross multiply
    131,733,999.39x = 181,733,303.29 × 79,506,339.87
  4. Step 4: Simplify right side
    131,733,999.39x = 14,448,949,777,072,530
  5. Step 5: Solve for x
    x = 14,448,949,777,072,530/131,733,999.39
  6. Step 6: Final answer
    x = 109,682,768.64

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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.