Home / 131,785,373.80-181,802,302.50-82,919,745.64

Finding the Fourth Proportional to 131,785,373.80, 181,802,302.50 and 82,919,745.64

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Solution

The fourth proportional to 131,785,373.80, 181,802,302.50 and 82,919,745.64 is: 114,390,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,785,373.80 : 181,802,302.50 = 82,919,745.64 : x
  2. Step 2: Convert to fraction form
    131,785,373.80/181,802,302.50 = 82,919,745.64/x
  3. Step 3: Cross multiply
    131,785,373.80x = 181,802,302.50 × 82,919,745.64
  4. Step 4: Simplify right side
    131,785,373.80x = 15,075,000,680,066,336
  5. Step 5: Solve for x
    x = 15,075,000,680,066,336/131,785,373.80
  6. Step 6: Final answer
    x = 114,390,544.61

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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.