Home / 56,728,602.73-78,287,559.92-31,612,968.98

Finding the Fourth Proportional to 56,728,602.73, 78,287,559.92 and 31,612,968.98

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Solution

The fourth proportional to 56,728,602.73, 78,287,559.92 and 31,612,968.98 is: 43,627,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728,602.73 : 78,287,559.92 = 31,612,968.98 : x
  2. Step 2: Convert to fraction form
    56,728,602.73/78,287,559.92 = 31,612,968.98/x
  3. Step 3: Cross multiply
    56,728,602.73x = 78,287,559.92 × 31,612,968.98
  4. Step 4: Simplify right side
    56,728,602.73x = 2,474,902,203,270,851.50
  5. Step 5: Solve for x
    x = 2,474,902,203,270,851.50/56,728,602.73
  6. Step 6: Final answer
    x = 43,627,060.85

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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.