Home / 61,355,062.88-84,700,665.60-38,157,662.96

Finding the Fourth Proportional to 61,355,062.88, 84,700,665.60 and 38,157,662.96

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Solution

The fourth proportional to 61,355,062.88, 84,700,665.60 and 38,157,662.96 is: 52,676,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,355,062.88 : 84,700,665.60 = 38,157,662.96 : x
  2. Step 2: Convert to fraction form
    61,355,062.88/84,700,665.60 = 38,157,662.96/x
  3. Step 3: Cross multiply
    61,355,062.88x = 84,700,665.60 × 38,157,662.96
  4. Step 4: Simplify right side
    61,355,062.88x = 3,231,979,450,452,466
  5. Step 5: Solve for x
    x = 3,231,979,450,452,466/61,355,062.88
  6. Step 6: Final answer
    x = 52,676,654.52

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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.