Home / 55,917,390.20-83,826,221.70-21,830,808.20

Finding the Fourth Proportional to 55,917,390.20, 83,826,221.70 and 21,830,808.20

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Solution

The fourth proportional to 55,917,390.20, 83,826,221.70 and 21,830,808.20 is: 32,726,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917,390.20 : 83,826,221.70 = 21,830,808.20 : x
  2. Step 2: Convert to fraction form
    55,917,390.20/83,826,221.70 = 21,830,808.20/x
  3. Step 3: Cross multiply
    55,917,390.20x = 83,826,221.70 × 21,830,808.20
  4. Step 4: Simplify right side
    55,917,390.20x = 1,829,994,168,063,378
  5. Step 5: Solve for x
    x = 1,829,994,168,063,378/55,917,390.20
  6. Step 6: Final answer
    x = 32,726,744.96

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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.