Home / 52,110,352.80-78,128,204.40-21,802,615.20

Finding the Fourth Proportional to 52,110,352.80, 78,128,204.40 and 21,802,615.20

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Solution

The fourth proportional to 52,110,352.80, 78,128,204.40 and 21,802,615.20 is: 32,688,306.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,352.80 : 78,128,204.40 = 21,802,615.20 : x
  2. Step 2: Convert to fraction form
    52,110,352.80/78,128,204.40 = 21,802,615.20/x
  3. Step 3: Cross multiply
    52,110,352.80x = 78,128,204.40 × 21,802,615.20
  4. Step 4: Simplify right side
    52,110,352.80x = 1,703,399,176,800,147
  5. Step 5: Solve for x
    x = 1,703,399,176,800,147/52,110,352.80
  6. Step 6: Final answer
    x = 32,688,306.36

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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.