Home / 64,563,215.72-96,863,691.46-20,842,948.40

Finding the Fourth Proportional to 64,563,215.72, 96,863,691.46 and 20,842,948.40

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Solution

The fourth proportional to 64,563,215.72, 96,863,691.46 and 20,842,948.40 is: 31,270,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,563,215.72 : 96,863,691.46 = 20,842,948.40 : x
  2. Step 2: Convert to fraction form
    64,563,215.72/96,863,691.46 = 20,842,948.40/x
  3. Step 3: Cross multiply
    64,563,215.72x = 96,863,691.46 × 20,842,948.40
  4. Step 4: Simplify right side
    64,563,215.72x = 2,018,924,922,397,874.75
  5. Step 5: Solve for x
    x = 2,018,924,922,397,874.75/64,563,215.72
  6. Step 6: Final answer
    x = 31,270,513.71

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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.