Home / 57,431,490.96-79,255,706.92-31,326,569.52

Finding the Fourth Proportional to 57,431,490.96, 79,255,706.92 and 31,326,569.52

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Solution

The fourth proportional to 57,431,490.96, 79,255,706.92 and 31,326,569.52 is: 43,230,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431,490.96 : 79,255,706.92 = 31,326,569.52 : x
  2. Step 2: Convert to fraction form
    57,431,490.96/79,255,706.92 = 31,326,569.52/x
  3. Step 3: Cross multiply
    57,431,490.96x = 79,255,706.92 × 31,326,569.52
  4. Step 4: Simplify right side
    57,431,490.96x = 2,482,809,412,686,125
  5. Step 5: Solve for x
    x = 2,482,809,412,686,125/57,431,490.96
  6. Step 6: Final answer
    x = 43,230,801.97

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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.