Home / 56,172,761.42-77,520,804.74-31,392,947.51

Finding the Fourth Proportional to 56,172,761.42, 77,520,804.74 and 31,392,947.51

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Solution

The fourth proportional to 56,172,761.42, 77,520,804.74 and 31,392,947.51 is: 43,323,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,761.42 : 77,520,804.74 = 31,392,947.51 : x
  2. Step 2: Convert to fraction form
    56,172,761.42/77,520,804.74 = 31,392,947.51/x
  3. Step 3: Cross multiply
    56,172,761.42x = 77,520,804.74 × 31,392,947.51
  4. Step 4: Simplify right side
    56,172,761.42x = 2,433,606,554,135,779
  5. Step 5: Solve for x
    x = 2,433,606,554,135,779/56,172,761.42
  6. Step 6: Final answer
    x = 43,323,605.48

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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.