Home / 61,837,843.42-85,369,354.49-47,678,103.87

Finding the Fourth Proportional to 61,837,843.42, 85,369,354.49 and 47,678,103.87

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Solution

The fourth proportional to 61,837,843.42, 85,369,354.49 and 47,678,103.87 is: 65,821,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837,843.42 : 85,369,354.49 = 47,678,103.87 : x
  2. Step 2: Convert to fraction form
    61,837,843.42/85,369,354.49 = 47,678,103.87/x
  3. Step 3: Cross multiply
    61,837,843.42x = 85,369,354.49 × 47,678,103.87
  4. Step 4: Simplify right side
    61,837,843.42x = 4,070,248,950,023,833.50
  5. Step 5: Solve for x
    x = 4,070,248,950,023,833.50/61,837,843.42
  6. Step 6: Final answer
    x = 65,821,327.61

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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.