Home / 52,116,134.82-71,928,887.70-28,918,735.17

Finding the Fourth Proportional to 52,116,134.82, 71,928,887.70 and 28,918,735.17

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Solution

The fourth proportional to 52,116,134.82, 71,928,887.70 and 28,918,735.17 is: 39,912,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,134.82 : 71,928,887.70 = 28,918,735.17 : x
  2. Step 2: Convert to fraction form
    52,116,134.82/71,928,887.70 = 28,918,735.17/x
  3. Step 3: Cross multiply
    52,116,134.82x = 71,928,887.70 × 28,918,735.17
  4. Step 4: Simplify right side
    52,116,134.82x = 2,080,092,454,468,970.50
  5. Step 5: Solve for x
    x = 2,080,092,454,468,970.50/52,116,134.82
  6. Step 6: Final answer
    x = 39,912,638.60

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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.