Home / 56,842,667.25-78,443,349.97-31,382,906.66

Finding the Fourth Proportional to 56,842,667.25, 78,443,349.97 and 31,382,906.66

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Solution

The fourth proportional to 56,842,667.25, 78,443,349.97 and 31,382,906.66 is: 43,308,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,842,667.25 : 78,443,349.97 = 31,382,906.66 : x
  2. Step 2: Convert to fraction form
    56,842,667.25/78,443,349.97 = 31,382,906.66/x
  3. Step 3: Cross multiply
    56,842,667.25x = 78,443,349.97 × 31,382,906.66
  4. Step 4: Simplify right side
    56,842,667.25x = 2,461,780,330,088,555.50
  5. Step 5: Solve for x
    x = 2,461,780,330,088,555.50/56,842,667.25
  6. Step 6: Final answer
    x = 43,308,670.22

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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.