Home / 54,759,641.58-82,021,376.52-51,540,105.42

Finding the Fourth Proportional to 54,759,641.58, 82,021,376.52 and 51,540,105.42

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Solution

The fourth proportional to 54,759,641.58, 82,021,376.52 and 51,540,105.42 is: 77,199,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759,641.58 : 82,021,376.52 = 51,540,105.42 : x
  2. Step 2: Convert to fraction form
    54,759,641.58/82,021,376.52 = 51,540,105.42/x
  3. Step 3: Cross multiply
    54,759,641.58x = 82,021,376.52 × 51,540,105.42
  4. Step 4: Simplify right side
    54,759,641.58x = 4,227,390,392,534,312.50
  5. Step 5: Solve for x
    x = 4,227,390,392,534,312.50/54,759,641.58
  6. Step 6: Final answer
    x = 77,199,015.01

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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.