Home / 42,020,759.81-57,988,650.97-22,705,175.81

Finding the Fourth Proportional to 42,020,759.81, 57,988,650.97 and 22,705,175.81

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Solution

The fourth proportional to 42,020,759.81, 57,988,650.97 and 22,705,175.81 is: 31,333,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020,759.81 : 57,988,650.97 = 22,705,175.81 : x
  2. Step 2: Convert to fraction form
    42,020,759.81/57,988,650.97 = 22,705,175.81/x
  3. Step 3: Cross multiply
    42,020,759.81x = 57,988,650.97 × 22,705,175.81
  4. Step 4: Simplify right side
    42,020,759.81x = 1,316,642,515,431,930
  5. Step 5: Solve for x
    x = 1,316,642,515,431,930/42,020,759.81
  6. Step 6: Final answer
    x = 31,333,143.93

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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.