Home / 53,301,415.67-79,952,123.54-19,222,761.54

Finding the Fourth Proportional to 53,301,415.67, 79,952,123.54 and 19,222,761.54

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Solution

The fourth proportional to 53,301,415.67, 79,952,123.54 and 19,222,761.54 is: 28,834,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301,415.67 : 79,952,123.54 = 19,222,761.54 : x
  2. Step 2: Convert to fraction form
    53,301,415.67/79,952,123.54 = 19,222,761.54/x
  3. Step 3: Cross multiply
    53,301,415.67x = 79,952,123.54 × 19,222,761.54
  4. Step 4: Simplify right side
    53,301,415.67x = 1,536,900,605,426,040.75
  5. Step 5: Solve for x
    x = 1,536,900,605,426,040.75/53,301,415.67
  6. Step 6: Final answer
    x = 28,834,142.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.