Home / 324,808,969.12-487,242,084.22-91,641,723.55

Finding the Fourth Proportional to 324,808,969.12, 487,242,084.22 and 91,641,723.55

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Solution

The fourth proportional to 324,808,969.12, 487,242,084.22 and 91,641,723.55 is: 137,470,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,808,969.12 : 487,242,084.22 = 91,641,723.55 : x
  2. Step 2: Convert to fraction form
    324,808,969.12/487,242,084.22 = 91,641,723.55/x
  3. Step 3: Cross multiply
    324,808,969.12x = 487,242,084.22 × 91,641,723.55
  4. Step 4: Simplify right side
    324,808,969.12x = 44,651,704,385,823,608
  5. Step 5: Solve for x
    x = 44,651,704,385,823,608/324,808,969.12
  6. Step 6: Final answer
    x = 137,470,663.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.