Home / 131,733,973.88-181,733,268.08-79,506,314.36

Finding the Fourth Proportional to 131,733,973.88, 181,733,268.08 and 79,506,314.36

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Solution

The fourth proportional to 131,733,973.88, 181,733,268.08 and 79,506,314.36 is: 109,682,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,733,973.88 : 181,733,268.08 = 79,506,314.36 : x
  2. Step 2: Convert to fraction form
    131,733,973.88/181,733,268.08 = 79,506,314.36/x
  3. Step 3: Cross multiply
    131,733,973.88x = 181,733,268.08 × 79,506,314.36
  4. Step 4: Simplify right side
    131,733,973.88x = 14,448,942,340,332,436
  5. Step 5: Solve for x
    x = 14,448,942,340,332,436/131,733,973.88
  6. Step 6: Final answer
    x = 109,682,733.43

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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.