Home / 55,917,002.70-83,825,640.45-21,830,420.70

Finding the Fourth Proportional to 55,917,002.70, 83,825,640.45 and 21,830,420.70

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Solution

The fourth proportional to 55,917,002.70, 83,825,640.45 and 21,830,420.70 is: 32,726,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,917,002.70 : 83,825,640.45 = 21,830,420.70 : x
  2. Step 2: Convert to fraction form
    55,917,002.70/83,825,640.45 = 21,830,420.70/x
  3. Step 3: Cross multiply
    55,917,002.70x = 83,825,640.45 × 21,830,420.70
  4. Step 4: Simplify right side
    55,917,002.70x = 1,829,948,996,470,437.25
  5. Step 5: Solve for x
    x = 1,829,948,996,470,437.25/55,917,002.70
  6. Step 6: Final answer
    x = 32,726,163.92

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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.