Home / 61,770,729.60-85,208,190.57-38,525,500.26

Finding the Fourth Proportional to 61,770,729.60, 85,208,190.57 and 38,525,500.26

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Solution

The fourth proportional to 61,770,729.60, 85,208,190.57 and 38,525,500.26 is: 53,143,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770,729.60 : 85,208,190.57 = 38,525,500.26 : x
  2. Step 2: Convert to fraction form
    61,770,729.60/85,208,190.57 = 38,525,500.26/x
  3. Step 3: Cross multiply
    61,770,729.60x = 85,208,190.57 × 38,525,500.26
  4. Step 4: Simplify right side
    61,770,729.60x = 3,282,688,167,958,664
  5. Step 5: Solve for x
    x = 3,282,688,167,958,664/61,770,729.60
  6. Step 6: Final answer
    x = 53,143,101.74

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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.