Home / 57,371,248.30-79,170,012.86-31,265,205.60

Finding the Fourth Proportional to 57,371,248.30, 79,170,012.86 and 31,265,205.60

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Solution

The fourth proportional to 57,371,248.30, 79,170,012.86 and 31,265,205.60 is: 43,144,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,371,248.30 : 79,170,012.86 = 31,265,205.60 : x
  2. Step 2: Convert to fraction form
    57,371,248.30/79,170,012.86 = 31,265,205.60/x
  3. Step 3: Cross multiply
    57,371,248.30x = 79,170,012.86 × 31,265,205.60
  4. Step 4: Simplify right side
    57,371,248.30x = 2,475,266,729,422,544
  5. Step 5: Solve for x
    x = 2,475,266,729,422,544/57,371,248.30
  6. Step 6: Final answer
    x = 43,144,724.98

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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.