Home / 55,819,938.20-83,667,699.30-21,729,954.20

Finding the Fourth Proportional to 55,819,938.20, 83,667,699.30 and 21,729,954.20

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Solution

The fourth proportional to 55,819,938.20, 83,667,699.30 and 21,729,954.20 is: 32,570,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819,938.20 : 83,667,699.30 = 21,729,954.20 : x
  2. Step 2: Convert to fraction form
    55,819,938.20/83,667,699.30 = 21,729,954.20/x
  3. Step 3: Cross multiply
    55,819,938.20x = 83,667,699.30 × 21,729,954.20
  4. Step 4: Simplify right side
    55,819,938.20x = 1,818,095,273,808,372
  5. Step 5: Solve for x
    x = 1,818,095,273,808,372/55,819,938.20
  6. Step 6: Final answer
    x = 32,570,714.56

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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.