Home / 90,512,481-124,885,441.26-53,344,241.04

Finding the Fourth Proportional to 90,512,481, 124,885,441.26 and 53,344,241.04

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Solution

The fourth proportional to 90,512,481, 124,885,441.26 and 53,344,241.04 is: 73,602,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,512,481 : 124,885,441.26 = 53,344,241.04 : x
  2. Step 2: Convert to fraction form
    90,512,481/124,885,441.26 = 53,344,241.04/x
  3. Step 3: Cross multiply
    90,512,481x = 124,885,441.26 × 53,344,241.04
  4. Step 4: Simplify right side
    90,512,481x = 6,661,919,080,960,201
  5. Step 5: Solve for x
    x = 6,661,919,080,960,201/90,512,481
  6. Step 6: Final answer
    x = 73,602,214.94

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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.