Home / 280,082,707.90-420,118,192.62-93,350,168.90

Finding the Fourth Proportional to 280,082,707.90, 420,118,192.62 and 93,350,168.90

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Solution

The fourth proportional to 280,082,707.90, 420,118,192.62 and 93,350,168.90 is: 140,023,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,082,707.90 : 420,118,192.62 = 93,350,168.90 : x
  2. Step 2: Convert to fraction form
    280,082,707.90/420,118,192.62 = 93,350,168.90/x
  3. Step 3: Cross multiply
    280,082,707.90x = 420,118,192.62 × 93,350,168.90
  4. Step 4: Simplify right side
    280,082,707.90x = 39,218,104,239,039,736
  5. Step 5: Solve for x
    x = 39,218,104,239,039,736/280,082,707.90
  6. Step 6: Final answer
    x = 140,023,297.16

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1.5x scale

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.