Home / 55,318,980.53-76,338,188.02-30,538,634.04

Finding the Fourth Proportional to 55,318,980.53, 76,338,188.02 and 30,538,634.04

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Solution

The fourth proportional to 55,318,980.53, 76,338,188.02 and 30,538,634.04 is: 42,142,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318,980.53 : 76,338,188.02 = 30,538,634.04 : x
  2. Step 2: Convert to fraction form
    55,318,980.53/76,338,188.02 = 30,538,634.04/x
  3. Step 3: Cross multiply
    55,318,980.53x = 76,338,188.02 × 30,538,634.04
  4. Step 4: Simplify right side
    55,318,980.53x = 2,331,263,987,246,883
  5. Step 5: Solve for x
    x = 2,331,263,987,246,883/55,318,980.53
  6. Step 6: Final answer
    x = 42,142,208.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.