Home / 65,863,000.68-90,890,851.88-36,496,235.31

Finding the Fourth Proportional to 65,863,000.68, 90,890,851.88 and 36,496,235.31

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Solution

The fourth proportional to 65,863,000.68, 90,890,851.88 and 36,496,235.31 is: 50,364,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,863,000.68 : 90,890,851.88 = 36,496,235.31 : x
  2. Step 2: Convert to fraction form
    65,863,000.68/90,890,851.88 = 36,496,235.31/x
  3. Step 3: Cross multiply
    65,863,000.68x = 90,890,851.88 × 36,496,235.31
  4. Step 4: Simplify right side
    65,863,000.68x = 3,317,173,917,556,355
  5. Step 5: Solve for x
    x = 3,317,173,917,556,355/65,863,000.68
  6. Step 6: Final answer
    x = 50,364,755.38

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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.