Home / 320,810,137.55-442,706,535.09-181,577,909.96

Finding the Fourth Proportional to 320,810,137.55, 442,706,535.09 and 181,577,909.96

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Solution

The fourth proportional to 320,810,137.55, 442,706,535.09 and 181,577,909.96 is: 250,571,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,810,137.55 : 442,706,535.09 = 181,577,909.96 : x
  2. Step 2: Convert to fraction form
    320,810,137.55/442,706,535.09 = 181,577,909.96/x
  3. Step 3: Cross multiply
    320,810,137.55x = 442,706,535.09 × 181,577,909.96
  4. Step 4: Simplify right side
    320,810,137.55x = 80,385,727,368,382,368
  5. Step 5: Solve for x
    x = 80,385,727,368,382,368/320,810,137.55
  6. Step 6: Final answer
    x = 250,571,032.39

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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.