Home / 65,472,400.17-90,354,093.45-35,704,676.72

Finding the Fourth Proportional to 65,472,400.17, 90,354,093.45 and 35,704,676.72

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Solution

The fourth proportional to 65,472,400.17, 90,354,093.45 and 35,704,676.72 is: 49,273,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,472,400.17 : 90,354,093.45 = 35,704,676.72 : x
  2. Step 2: Convert to fraction form
    65,472,400.17/90,354,093.45 = 35,704,676.72/x
  3. Step 3: Cross multiply
    65,472,400.17x = 90,354,093.45 × 35,704,676.72
  4. Step 4: Simplify right side
    65,472,400.17x = 3,226,063,696,960,919.50
  5. Step 5: Solve for x
    x = 3,226,063,696,960,919.50/65,472,400.17
  6. Step 6: Final answer
    x = 49,273,643.38

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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.