Home / 354,271,257.76-531,444,665.04-149,820,000.16

Finding the Fourth Proportional to 354,271,257.76, 531,444,665.04 and 149,820,000.16

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Solution

The fourth proportional to 354,271,257.76, 531,444,665.04 and 149,820,000.16 is: 224,745,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,271,257.76 : 531,444,665.04 = 149,820,000.16 : x
  2. Step 2: Convert to fraction form
    354,271,257.76/531,444,665.04 = 149,820,000.16/x
  3. Step 3: Cross multiply
    354,271,257.76x = 531,444,665.04 × 149,820,000.16
  4. Step 4: Simplify right side
    354,271,257.76x = 79,621,039,801,323,952
  5. Step 5: Solve for x
    x = 79,621,039,801,323,952/354,271,257.76
  6. Step 6: Final answer
    x = 224,745,976.59

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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.