Home / 51,958,174.32-71,702,419.56-28,754,901.36

Finding the Fourth Proportional to 51,958,174.32, 71,702,419.56 and 28,754,901.36

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Solution

The fourth proportional to 51,958,174.32, 71,702,419.56 and 28,754,901.36 is: 39,681,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958,174.32 : 71,702,419.56 = 28,754,901.36 : x
  2. Step 2: Convert to fraction form
    51,958,174.32/71,702,419.56 = 28,754,901.36/x
  3. Step 3: Cross multiply
    51,958,174.32x = 71,702,419.56 × 28,754,901.36
  4. Step 4: Simplify right side
    51,958,174.32x = 2,061,796,001,721,134.75
  5. Step 5: Solve for x
    x = 2,061,796,001,721,134.75/51,958,174.32
  6. Step 6: Final answer
    x = 39,681,840.80

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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.