Home / 84,070,620.12-116,017,505.52-46,900,900.56

Finding the Fourth Proportional to 84,070,620.12, 116,017,505.52 and 46,900,900.56

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Solution

The fourth proportional to 84,070,620.12, 116,017,505.52 and 46,900,900.56 is: 64,723,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070,620.12 : 116,017,505.52 = 46,900,900.56 : x
  2. Step 2: Convert to fraction form
    84,070,620.12/116,017,505.52 = 46,900,900.56/x
  3. Step 3: Cross multiply
    84,070,620.12x = 116,017,505.52 × 46,900,900.56
  4. Step 4: Simplify right side
    84,070,620.12x = 5,441,325,489,612,771
  5. Step 5: Solve for x
    x = 5,441,325,489,612,771/84,070,620.12
  6. Step 6: Final answer
    x = 64,723,270.53

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1.5x scale

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.