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Finding the Fourth Proportional to 234,509,611.80, 351,764,417.70 and 161,950,200.60

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Solution

The fourth proportional to 234,509,611.80, 351,764,417.70 and 161,950,200.60 is: 242,925,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,509,611.80 : 351,764,417.70 = 161,950,200.60 : x
  2. Step 2: Convert to fraction form
    234,509,611.80/351,764,417.70 = 161,950,200.60/x
  3. Step 3: Cross multiply
    234,509,611.80x = 351,764,417.70 × 161,950,200.60
  4. Step 4: Simplify right side
    234,509,611.80x = 56,968,318,010,457,184
  5. Step 5: Solve for x
    x = 56,968,318,010,457,184/234,509,611.80
  6. Step 6: Final answer
    x = 242,925,300.90

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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.