Home / 57,617,522.30-79,511,063.46-31,511,959.40

Finding the Fourth Proportional to 57,617,522.30, 79,511,063.46 and 31,511,959.40

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Solution

The fourth proportional to 57,617,522.30, 79,511,063.46 and 31,511,959.40 is: 43,485,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,617,522.30 : 79,511,063.46 = 31,511,959.40 : x
  2. Step 2: Convert to fraction form
    57,617,522.30/79,511,063.46 = 31,511,959.40/x
  3. Step 3: Cross multiply
    57,617,522.30x = 79,511,063.46 × 31,511,959.40
  4. Step 4: Simplify right side
    57,617,522.30x = 2,505,549,403,602,343
  5. Step 5: Solve for x
    x = 2,505,549,403,602,343/57,617,522.30
  6. Step 6: Final answer
    x = 43,485,892.89

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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.