Home / 315,753,169.40-435,690,966.04-181,765,185.94

Finding the Fourth Proportional to 315,753,169.40, 435,690,966.04 and 181,765,185.94

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Solution

The fourth proportional to 315,753,169.40, 435,690,966.04 and 181,765,185.94 is: 250,808,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,753,169.40 : 435,690,966.04 = 181,765,185.94 : x
  2. Step 2: Convert to fraction form
    315,753,169.40/435,690,966.04 = 181,765,185.94/x
  3. Step 3: Cross multiply
    315,753,169.40x = 435,690,966.04 × 181,765,185.94
  4. Step 4: Simplify right side
    315,753,169.40x = 79,193,449,453,095,184
  5. Step 5: Solve for x
    x = 79,193,449,453,095,184/315,753,169.40
  6. Step 6: Final answer
    x = 250,808,090.40

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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.