Home / 56,160,386.06-77,504,326.54-31,381,174.43

Finding the Fourth Proportional to 56,160,386.06, 77,504,326.54 and 31,381,174.43

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Solution

The fourth proportional to 56,160,386.06, 77,504,326.54 and 31,381,174.43 is: 43,307,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160,386.06 : 77,504,326.54 = 31,381,174.43 : x
  2. Step 2: Convert to fraction form
    56,160,386.06/77,504,326.54 = 31,381,174.43/x
  3. Step 3: Cross multiply
    56,160,386.06x = 77,504,326.54 × 31,381,174.43
  4. Step 4: Simplify right side
    56,160,386.06x = 2,432,176,789,765,443.50
  5. Step 5: Solve for x
    x = 2,432,176,789,765,443.50/56,160,386.06
  6. Step 6: Final answer
    x = 43,307,693.56

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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.