Home / 55,365,986.40-83,024,096.40-21,276,002.40

Finding the Fourth Proportional to 55,365,986.40, 83,024,096.40 and 21,276,002.40

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Solution

The fourth proportional to 55,365,986.40, 83,024,096.40 and 21,276,002.40 is: 31,904,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365,986.40 : 83,024,096.40 = 21,276,002.40 : x
  2. Step 2: Convert to fraction form
    55,365,986.40/83,024,096.40 = 21,276,002.40/x
  3. Step 3: Cross multiply
    55,365,986.40x = 83,024,096.40 × 21,276,002.40
  4. Step 4: Simplify right side
    55,365,986.40x = 1,766,420,874,264,231.25
  5. Step 5: Solve for x
    x = 1,766,420,874,264,231.25/55,365,986.40
  6. Step 6: Final answer
    x = 31,904,441.50

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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.