Home / 65,786,790.24-90,786,488.64-36,418,613.28

Finding the Fourth Proportional to 65,786,790.24, 90,786,488.64 and 36,418,613.28

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Solution

The fourth proportional to 65,786,790.24, 90,786,488.64 and 36,418,613.28 is: 50,258,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,786,790.24 : 90,786,488.64 = 36,418,613.28 : x
  2. Step 2: Convert to fraction form
    65,786,790.24/90,786,488.64 = 36,418,613.28/x
  3. Step 3: Cross multiply
    65,786,790.24x = 90,786,488.64 × 36,418,613.28
  4. Step 4: Simplify right side
    65,786,790.24x = 3,306,318,020,829,273.50
  5. Step 5: Solve for x
    x = 3,306,318,020,829,273.50/65,786,790.24
  6. Step 6: Final answer
    x = 50,258,083.86

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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.