Home / 280,852,232.40-421,279,660.80-99,099,410.40

Finding the Fourth Proportional to 280,852,232.40, 421,279,660.80 and 99,099,410.40

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Solution

The fourth proportional to 280,852,232.40, 421,279,660.80 and 99,099,410.40 is: 148,649,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,852,232.40 : 421,279,660.80 = 99,099,410.40 : x
  2. Step 2: Convert to fraction form
    280,852,232.40/421,279,660.80 = 99,099,410.40/x
  3. Step 3: Cross multiply
    280,852,232.40x = 421,279,660.80 × 99,099,410.40
  4. Step 4: Simplify right side
    280,852,232.40x = 41,748,565,998,792,000
  5. Step 5: Solve for x
    x = 41,748,565,998,792,000/280,852,232.40
  6. Step 6: Final answer
    x = 148,649,578.61

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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.