Home / 142,402,575.12-213,612,133.32-54,964,591.44

Finding the Fourth Proportional to 142,402,575.12, 213,612,133.32 and 54,964,591.44

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Solution

The fourth proportional to 142,402,575.12, 213,612,133.32 and 54,964,591.44 is: 82,450,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,402,575.12 : 213,612,133.32 = 54,964,591.44 : x
  2. Step 2: Convert to fraction form
    142,402,575.12/213,612,133.32 = 54,964,591.44/x
  3. Step 3: Cross multiply
    142,402,575.12x = 213,612,133.32 × 54,964,591.44
  4. Step 4: Simplify right side
    142,402,575.12x = 11,741,103,634,560,610
  5. Step 5: Solve for x
    x = 11,741,103,634,560,610/142,402,575.12
  6. Step 6: Final answer
    x = 82,450,079.46

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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.