Home / 85,786,021.64-128,687,452.32-24,378,014

Finding the Fourth Proportional to 85,786,021.64, 128,687,452.32 and 24,378,014

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Solution

The fourth proportional to 85,786,021.64, 128,687,452.32 and 24,378,014 is: 36,569,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,786,021.64 : 128,687,452.32 = 24,378,014 : x
  2. Step 2: Convert to fraction form
    85,786,021.64/128,687,452.32 = 24,378,014/x
  3. Step 3: Cross multiply
    85,786,021.64x = 128,687,452.32 × 24,378,014
  4. Step 4: Simplify right side
    85,786,021.64x = 3,137,144,514,281,292.50
  5. Step 5: Solve for x
    x = 3,137,144,514,281,292.50/85,786,021.64
  6. Step 6: Final answer
    x = 36,569,413.69

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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.