Home / 242,993,231.40-364,489,847.10-72,792,143.40

Finding the Fourth Proportional to 242,993,231.40, 364,489,847.10 and 72,792,143.40

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Solution

The fourth proportional to 242,993,231.40, 364,489,847.10 and 72,792,143.40 is: 109,188,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,993,231.40 : 364,489,847.10 = 72,792,143.40 : x
  2. Step 2: Convert to fraction form
    242,993,231.40/364,489,847.10 = 72,792,143.40/x
  3. Step 3: Cross multiply
    242,993,231.40x = 364,489,847.10 × 72,792,143.40
  4. Step 4: Simplify right side
    242,993,231.40x = 26,531,997,217,947,280
  5. Step 5: Solve for x
    x = 26,531,997,217,947,280/242,993,231.40
  6. Step 6: Final answer
    x = 109,188,215.10

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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.