Home / 155,143,487.34-214,099,662.22-85,531,359.14

Finding the Fourth Proportional to 155,143,487.34, 214,099,662.22 and 85,531,359.14

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Solution

The fourth proportional to 155,143,487.34, 214,099,662.22 and 85,531,359.14 is: 118,034,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,143,487.34 : 214,099,662.22 = 85,531,359.14 : x
  2. Step 2: Convert to fraction form
    155,143,487.34/214,099,662.22 = 85,531,359.14/x
  3. Step 3: Cross multiply
    155,143,487.34x = 214,099,662.22 × 85,531,359.14
  4. Step 4: Simplify right side
    155,143,487.34x = 18,312,235,101,091,508
  5. Step 5: Solve for x
    x = 18,312,235,101,091,508/155,143,487.34
  6. Step 6: Final answer
    x = 118,034,185.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.