Home / 65,229,814.78-90,014,849.85-35,860,934.38

Finding the Fourth Proportional to 65,229,814.78, 90,014,849.85 and 35,860,934.38

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Solution

The fourth proportional to 65,229,814.78, 90,014,849.85 and 35,860,934.38 is: 49,486,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229,814.78 : 90,014,849.85 = 35,860,934.38 : x
  2. Step 2: Convert to fraction form
    65,229,814.78/90,014,849.85 = 35,860,934.38/x
  3. Step 3: Cross multiply
    65,229,814.78x = 90,014,849.85 × 35,860,934.38
  4. Step 4: Simplify right side
    65,229,814.78x = 3,228,016,623,696,403
  5. Step 5: Solve for x
    x = 3,228,016,623,696,403/65,229,814.78
  6. Step 6: Final answer
    x = 49,486,827.99

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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.