Home / 55,901,092.93-77,137,308.09-31,115,570.42

Finding the Fourth Proportional to 55,901,092.93, 77,137,308.09 and 31,115,570.42

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Solution

The fourth proportional to 55,901,092.93, 77,137,308.09 and 31,115,570.42 is: 42,936,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901,092.93 : 77,137,308.09 = 31,115,570.42 : x
  2. Step 2: Convert to fraction form
    55,901,092.93/77,137,308.09 = 31,115,570.42/x
  3. Step 3: Cross multiply
    55,901,092.93x = 77,137,308.09 × 31,115,570.42
  4. Step 4: Simplify right side
    55,901,092.93x = 2,400,171,342,076,474
  5. Step 5: Solve for x
    x = 2,400,171,342,076,474/55,901,092.93
  6. Step 6: Final answer
    x = 42,936,036.07

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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.