Home / 280,170,467.70-420,255,701.55-151,030,304.70

Finding the Fourth Proportional to 280,170,467.70, 420,255,701.55 and 151,030,304.70

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Solution

The fourth proportional to 280,170,467.70, 420,255,701.55 and 151,030,304.70 is: 226,545,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,170,467.70 : 420,255,701.55 = 151,030,304.70 : x
  2. Step 2: Convert to fraction form
    280,170,467.70/420,255,701.55 = 151,030,304.70/x
  3. Step 3: Cross multiply
    280,170,467.70x = 420,255,701.55 × 151,030,304.70
  4. Step 4: Simplify right side
    280,170,467.70x = 63,471,346,657,008,760
  5. Step 5: Solve for x
    x = 63,471,346,657,008,760/280,170,467.70
  6. Step 6: Final answer
    x = 226,545,457.05

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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.