Home / 131,785,372.80-181,802,301.12-82,919,744.64

Finding the Fourth Proportional to 131,785,372.80, 181,802,301.12 and 82,919,744.64

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Solution

The fourth proportional to 131,785,372.80, 181,802,301.12 and 82,919,744.64 is: 114,390,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,785,372.80 : 181,802,301.12 = 82,919,744.64 : x
  2. Step 2: Convert to fraction form
    131,785,372.80/181,802,301.12 = 82,919,744.64/x
  3. Step 3: Cross multiply
    131,785,372.80x = 181,802,301.12 × 82,919,744.64
  4. Step 4: Simplify right side
    131,785,372.80x = 15,075,000,383,834,786
  5. Step 5: Solve for x
    x = 15,075,000,383,834,786/131,785,372.80
  6. Step 6: Final answer
    x = 114,390,543.23

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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.