Home / 56,853,791.50-78,458,232.39-30,748,309.33

Finding the Fourth Proportional to 56,853,791.50, 78,458,232.39 and 30,748,309.33

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Solution

The fourth proportional to 56,853,791.50, 78,458,232.39 and 30,748,309.33 is: 42,432,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,853,791.50 : 78,458,232.39 = 30,748,309.33 : x
  2. Step 2: Convert to fraction form
    56,853,791.50/78,458,232.39 = 30,748,309.33/x
  3. Step 3: Cross multiply
    56,853,791.50x = 78,458,232.39 × 30,748,309.33
  4. Step 4: Simplify right side
    56,853,791.50x = 2,412,457,998,991,543
  5. Step 5: Solve for x
    x = 2,412,457,998,991,543/56,853,791.50
  6. Step 6: Final answer
    x = 42,432,666.94

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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.