Home / 280,451,722.85-420,686,154.43-96,216,614.64

Finding the Fourth Proportional to 280,451,722.85, 420,686,154.43 and 96,216,614.64

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Solution

The fourth proportional to 280,451,722.85, 420,686,154.43 and 96,216,614.64 is: 144,327,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,451,722.85 : 420,686,154.43 = 96,216,614.64 : x
  2. Step 2: Convert to fraction form
    280,451,722.85/420,686,154.43 = 96,216,614.64/x
  3. Step 3: Cross multiply
    280,451,722.85x = 420,686,154.43 × 96,216,614.64
  4. Step 4: Simplify right side
    280,451,722.85x = 40,476,997,604,934,296
  5. Step 5: Solve for x
    x = 40,476,997,604,934,296/280,451,722.85
  6. Step 6: Final answer
    x = 144,327,862.19

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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.